diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17cf60ba5..20f15edcf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,7 @@
 - Sessions: reset `compactionCount` on `/new` and `/reset`, and preserve `sessions.json` file mode (0600).
 - Sessions: repair orphaned user turns before embedded prompts.
 - Channels: treat replies to the bot as implicit mentions across supported channels.
+- Security: lock down slash/control commands to sender allowlists across Discord/Slack/Telegram and extend `clawdbot security audit` coverage for missing allowlists and extensions.
 - Browser: remote profile tab operations prefer persistent Playwright and avoid silent HTTP fallbacks. (#1057) — thanks @mukhtharcm.
 - Browser: remote profile tab ops follow-up: shared Playwright loader, Playwright-based focus, and more coverage (incl. opt-in live Browserless test). (follow-up to #1057) — thanks @mukhtharcm.
 - WhatsApp: scope self-chat response prefix; inject pending-only group history and clear after any processed message.
diff --git a/src/channels/plugins/discord.ts b/src/channels/plugins/discord.ts
index 0a65cc007..97a90561b 100644
--- a/src/channels/plugins/discord.ts
+++ b/src/channels/plugins/discord.ts
@@ -14,6 +14,7 @@ import {
   sendMessageDiscord,
   sendPollDiscord,
 } from "../../discord/send.js";
+import { resolveNativeCommandsEnabled } from "../../config/commands.js";
 import { shouldLogVerbose } from "../../globals.js";
 import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "../../routing/session-key.js";
 import { getChatChannelMeta } from "../registry.js";
@@ -117,19 +118,53 @@ export const discordPlugin: ChannelPlugin<ResolvedDiscordAccount> = {
         normalizeEntry: (raw) => raw.replace(/^(discord|user):/i, "").replace(/^<@!?(\d+)>$/, "$1"),
       };
     },
-    collectWarnings: ({ account }) => {
+    collectWarnings: ({ cfg, account }) => {
+      const warnings: string[] = [];
       const groupPolicy = account.config.groupPolicy ?? "allowlist";
-      if (groupPolicy !== "open") return [];
-      const channelAllowlistConfigured =
-        Boolean(account.config.guilds) && Object.keys(account.config.guilds ?? {}).length > 0;
-      if (channelAllowlistConfigured) {
-        return [
-          `- Discord guilds: groupPolicy="open" allows any channel not explicitly denied to trigger (mention-gated). Set channels.discord.groupPolicy="allowlist" and configure channels.discord.guilds.<id>.channels.`,
-        ];
+      const guildEntries = account.config.guilds ?? {};
+      const guildsConfigured = Object.keys(guildEntries).length > 0;
+      const channelAllowlistConfigured = guildsConfigured;
+
+      if (groupPolicy === "open") {
+        if (channelAllowlistConfigured) {
+          warnings.push(
+            `- Discord guilds: groupPolicy="open" allows any channel not explicitly denied to trigger (mention-gated). Set channels.discord.groupPolicy="allowlist" and configure channels.discord.guilds.<id>.channels.`,
+          );
+        } else {
+          warnings.push(
+            `- Discord guilds: groupPolicy="open" with no guild/channel allowlist; any channel can trigger (mention-gated). Set channels.discord.groupPolicy="allowlist" and configure channels.discord.guilds.<id>.channels.`,
+          );
+        }
       }
-      return [
-        `- Discord guilds: groupPolicy="open" with no guild/channel allowlist; any channel can trigger (mention-gated). Set channels.discord.groupPolicy="allowlist" and configure channels.discord.guilds.<id>.channels.`,
-      ];
+
+      const nativeCommandsEnabled = resolveNativeCommandsEnabled({
+        providerId: "discord",
+        providerSetting: account.config.commands?.native,
+        globalSetting: cfg.commands?.native,
+      });
+      if (nativeCommandsEnabled && guildsConfigured) {
+        const hasAnyUserAllowlist = Object.values(guildEntries).some((guild) => {
+          if (!guild || typeof guild !== "object") return false;
+          if (Array.isArray(guild.users) && guild.users.length > 0) return true;
+          const channels = guild.channels;
+          if (!channels || typeof channels !== "object") return false;
+          return Object.values(channels).some(
+            (channel) =>
+              Boolean(channel) &&
+              typeof channel === "object" &&
+              Array.isArray(channel.users) &&
+              channel.users.length > 0,
+          );
+        });
+
+        if (!hasAnyUserAllowlist) {
+          warnings.push(
+            `- Discord slash commands: no users allowlist configured; this allows any user in allowed guild channels to invoke /… commands. Set channels.discord.guilds.<id>.users (or channels.discord.guilds.<id>.channels.<channel>.users).`,
+          );
+        }
+      }
+
+      return warnings;
     },
   },
   groups: {
diff --git a/src/channels/plugins/slack.ts b/src/channels/plugins/slack.ts
index 9bf3db690..90b37e385 100644
--- a/src/channels/plugins/slack.ts
+++ b/src/channels/plugins/slack.ts
@@ -13,6 +13,7 @@ import { probeSlack } from "../../slack/probe.js";
 import { sendMessageSlack } from "../../slack/send.js";
 import { getChatChannelMeta } from "../registry.js";
 import { SlackConfigSchema } from "../../config/zod-schema.providers-core.js";
+import { resolveNativeCommandsEnabled } from "../../config/commands.js";
 import { buildChannelConfigSchema } from "./config-schema.js";
 import {
   deleteAccountFromConfigSection,
@@ -135,19 +136,51 @@ export const slackPlugin: ChannelPlugin<ResolvedSlackAccount> = {
         normalizeEntry: (raw) => raw.replace(/^(slack|user):/i, ""),
       };
     },
-    collectWarnings: ({ account }) => {
+    collectWarnings: ({ cfg, account }) => {
+      const warnings: string[] = [];
       const groupPolicy = account.config.groupPolicy ?? "allowlist";
-      if (groupPolicy !== "open") return [];
       const channelAllowlistConfigured =
         Boolean(account.config.channels) && Object.keys(account.config.channels ?? {}).length > 0;
-      if (channelAllowlistConfigured) {
-        return [
-          `- Slack channels: groupPolicy="open" allows any channel not explicitly denied to trigger (mention-gated). Set channels.slack.groupPolicy="allowlist" and configure channels.slack.channels.`,
-        ];
+      const roomAccessPossible =
+        groupPolicy === "open" || (groupPolicy === "allowlist" && channelAllowlistConfigured);
+
+      if (groupPolicy === "open") {
+        if (channelAllowlistConfigured) {
+          warnings.push(
+            `- Slack channels: groupPolicy="open" allows any channel not explicitly denied to trigger (mention-gated). Set channels.slack.groupPolicy="allowlist" and configure channels.slack.channels.`,
+          );
+        } else {
+          warnings.push(
+            `- Slack channels: groupPolicy="open" with no channel allowlist; any channel can trigger (mention-gated). Set channels.slack.groupPolicy="allowlist" and configure channels.slack.channels.`,
+          );
+        }
       }
-      return [
-        `- Slack channels: groupPolicy="open" with no channel allowlist; any channel can trigger (mention-gated). Set channels.slack.groupPolicy="allowlist" and configure channels.slack.channels.`,
-      ];
+
+      const nativeEnabled = resolveNativeCommandsEnabled({
+        providerId: "slack",
+        providerSetting: account.config.commands?.native,
+        globalSetting: cfg.commands?.native,
+      });
+      const slashCommandEnabled = nativeEnabled || account.config.slashCommand?.enabled === true;
+
+      if (slashCommandEnabled && roomAccessPossible) {
+        const hasAnyUserAllowlist = Object.values(account.config.channels ?? {}).some(
+          (channel) => Array.isArray(channel.users) && channel.users.length > 0,
+        );
+        if (!hasAnyUserAllowlist) {
+          warnings.push(
+            `- Slack slash commands: no channel users allowlist configured; this allows any user in allowed channels to invoke /… commands (including skill commands). Set channels.slack.channels.<id>.users.`,
+          );
+        }
+      }
+
+      if (slashCommandEnabled && cfg.commands?.useAccessGroups === false) {
+        warnings.push(
+          `- Slack slash commands: commands.useAccessGroups=false disables channel allowlist gating; this allows any channel to invoke /… commands (including skill commands). Set commands.useAccessGroups=true and configure channels.slack.groupPolicy/channels.`,
+        );
+      }
+
+      return warnings;
     },
   },
   groups: {
diff --git a/src/discord/monitor/message-handler.preflight.ts b/src/discord/monitor/message-handler.preflight.ts
index 68f9c3eea..7d4ef2efc 100644
--- a/src/discord/monitor/message-handler.preflight.ts
+++ b/src/discord/monitor/message-handler.preflight.ts
@@ -22,7 +22,6 @@ import {
   normalizeDiscordAllowList,
   normalizeDiscordSlug,
   resolveDiscordChannelConfig,
-  resolveDiscordCommandAuthorized,
   resolveDiscordGuildEntry,
   resolveDiscordShouldRequireMention,
   resolveDiscordUserAllowed,
@@ -314,18 +313,38 @@ export async function preflightDiscordMessage(
       (message.mentionedUsers?.length ?? 0) > 0 ||
       (message.mentionedRoles?.length ?? 0) > 0),
   );
-  if (!isDirectMessage) {
-    commandAuthorized = resolveDiscordCommandAuthorized({
-      isDirectMessage,
-      allowFrom: params.allowFrom,
-      guildInfo,
-      author,
-    });
-  }
   const allowTextCommands = shouldHandleTextCommands({
     cfg: params.cfg,
     surface: "discord",
   });
+
+  if (!isDirectMessage) {
+    const ownerAllowList = normalizeDiscordAllowList(params.allowFrom, ["discord:", "user:"]);
+    const ownerOk = ownerAllowList
+      ? allowListMatches(ownerAllowList, {
+          id: author.id,
+          name: author.username,
+          tag: formatDiscordUserTag(author),
+        })
+      : false;
+    const channelUsers = channelConfig?.users ?? guildInfo?.users;
+    const usersOk =
+      Array.isArray(channelUsers) && channelUsers.length > 0
+        ? resolveDiscordUserAllowed({
+            allowList: channelUsers,
+            userId: author.id,
+            userName: author.username,
+            userTag: formatDiscordUserTag(author),
+          })
+        : false;
+    commandAuthorized = ownerOk || usersOk;
+
+    if (allowTextCommands && hasControlCommand(baseText, params.cfg) && !commandAuthorized) {
+      logVerbose(`Blocked discord control command from unauthorized sender ${author.id}`);
+      return null;
+    }
+  }
+
   const shouldBypassMention =
     allowTextCommands &&
     isGuildMessage &&
diff --git a/src/discord/monitor/native-command.ts b/src/discord/monitor/native-command.ts
index 0e99eeed4..f89def249 100644
--- a/src/discord/monitor/native-command.ts
+++ b/src/discord/monitor/native-command.ts
@@ -423,6 +423,18 @@ async function dispatchDiscordCommandInteraction(params: {
   const isGroupDm = channelType === ChannelType.GroupDM;
   const channelName = channel && "name" in channel ? (channel.name as string) : undefined;
   const channelSlug = channelName ? normalizeDiscordSlug(channelName) : "";
+  const ownerAllowList = normalizeDiscordAllowList(discordConfig?.dm?.allowFrom ?? [], [
+    "discord:",
+    "user:",
+  ]);
+  const ownerOk =
+    ownerAllowList && user
+      ? allowListMatches(ownerAllowList, {
+          id: user.id,
+          name: user.username,
+          tag: formatDiscordUserTag(user),
+        })
+      : false;
   const guildInfo = resolveDiscordGuildEntry({
     guild: interaction.guild ?? undefined,
     guildEntries: discordConfig?.guilds,
@@ -508,17 +520,19 @@ async function dispatchDiscordCommandInteraction(params: {
   }
   if (!isDirectMessage) {
     const channelUsers = channelConfig?.users ?? guildInfo?.users;
-    if (Array.isArray(channelUsers) && channelUsers.length > 0) {
-      const userOk = resolveDiscordUserAllowed({
-        allowList: channelUsers,
-        userId: user.id,
-        userName: user.username,
-        userTag: formatDiscordUserTag(user),
-      });
-      if (!userOk) {
-        await respond("You are not authorized to use this command.");
-        return;
-      }
+    const hasUserAllowlist = Array.isArray(channelUsers) && channelUsers.length > 0;
+    const userOk = hasUserAllowlist
+      ? resolveDiscordUserAllowed({
+          allowList: channelUsers,
+          userId: user.id,
+          userName: user.username,
+          userTag: formatDiscordUserTag(user),
+        })
+      : false;
+    commandAuthorized = useAccessGroups ? ownerOk || userOk : hasUserAllowlist ? userOk : true;
+    if (!commandAuthorized) {
+      await respond("You are not authorized to use this command.", { ephemeral: true });
+      return;
     }
   }
   if (isGroupDm && discordConfig?.dm?.groupEnabled === false) {
diff --git a/src/security/audit-extra.ts b/src/security/audit-extra.ts
index 48023d718..db33aa1e1 100644
--- a/src/security/audit-extra.ts
+++ b/src/security/audit-extra.ts
@@ -5,6 +5,7 @@ import JSON5 from "json5";
 
 import type { ClawdbotConfig, ConfigFileSnapshot } from "../config/config.js";
 import { createConfigIO } from "../config/config.js";
+import { resolveNativeSkillsEnabled } from "../config/commands.js";
 import { resolveOAuthDir } from "../config/paths.js";
 import { resolveDefaultAgentId } from "../agents/agent-scope.js";
 import { INCLUDE_KEY, MAX_INCLUDE_DEPTH } from "../config/includes.js";
@@ -380,11 +381,70 @@ export async function collectPluginsTrustFindings(params: {
   const allow = params.cfg.plugins?.allow;
   const allowConfigured = Array.isArray(allow) && allow.length > 0;
   if (!allowConfigured) {
+    const hasString = (value: unknown) => typeof value === "string" && value.trim().length > 0;
+    const hasAccountStringKey = (account: unknown, key: string) =>
+      Boolean(account && typeof account === "object" && hasString((account as Record<string, unknown>)[key]));
+
+    const discordConfigured =
+      hasString(params.cfg.channels?.discord?.token) ||
+      Boolean(
+        params.cfg.channels?.discord?.accounts &&
+          Object.values(params.cfg.channels.discord.accounts).some((a) => hasAccountStringKey(a, "token")),
+      ) ||
+      hasString(process.env.DISCORD_BOT_TOKEN);
+
+    const telegramConfigured =
+      hasString(params.cfg.channels?.telegram?.botToken) ||
+      hasString(params.cfg.channels?.telegram?.tokenFile) ||
+      Boolean(
+        params.cfg.channels?.telegram?.accounts &&
+          Object.values(params.cfg.channels.telegram.accounts).some(
+            (a) => hasAccountStringKey(a, "botToken") || hasAccountStringKey(a, "tokenFile"),
+          ),
+      ) ||
+      hasString(process.env.TELEGRAM_BOT_TOKEN);
+
+    const slackConfigured =
+      hasString(params.cfg.channels?.slack?.botToken) ||
+      hasString(params.cfg.channels?.slack?.appToken) ||
+      Boolean(
+        params.cfg.channels?.slack?.accounts &&
+          Object.values(params.cfg.channels.slack.accounts).some(
+            (a) => hasAccountStringKey(a, "botToken") || hasAccountStringKey(a, "appToken"),
+          ),
+      ) ||
+      hasString(process.env.SLACK_BOT_TOKEN) ||
+      hasString(process.env.SLACK_APP_TOKEN);
+
+    const skillCommandsLikelyExposed =
+      (discordConfigured &&
+        resolveNativeSkillsEnabled({
+          providerId: "discord",
+          providerSetting: params.cfg.channels?.discord?.commands?.nativeSkills,
+          globalSetting: params.cfg.commands?.nativeSkills,
+        })) ||
+      (telegramConfigured &&
+        resolveNativeSkillsEnabled({
+          providerId: "telegram",
+          providerSetting: params.cfg.channels?.telegram?.commands?.nativeSkills,
+          globalSetting: params.cfg.commands?.nativeSkills,
+        })) ||
+      (slackConfigured &&
+        resolveNativeSkillsEnabled({
+          providerId: "slack",
+          providerSetting: params.cfg.channels?.slack?.commands?.nativeSkills,
+          globalSetting: params.cfg.commands?.nativeSkills,
+        }));
+
     findings.push({
       checkId: "plugins.extensions_no_allowlist",
-      severity: "warn",
+      severity: skillCommandsLikelyExposed ? "critical" : "warn",
       title: "Extensions exist but plugins.allow is not set",
-      detail: `Found ${pluginDirs.length} extension(s) under ${extensionsDir}. Without plugins.allow, any discovered plugin id may load (depending on config and plugin behavior).`,
+      detail:
+        `Found ${pluginDirs.length} extension(s) under ${extensionsDir}. Without plugins.allow, any discovered plugin id may load (depending on config and plugin behavior).` +
+        (skillCommandsLikelyExposed
+          ? "\nNative skill commands are enabled on at least one configured chat surface; treat unpinned/unallowlisted extensions as high risk."
+          : ""),
       remediation: "Set plugins.allow to an explicit list of plugin ids you trust.",
     });
   }
diff --git a/src/security/audit.test.ts b/src/security/audit.test.ts
index 4220c51c1..b9d230d10 100644
--- a/src/security/audit.test.ts
+++ b/src/security/audit.test.ts
@@ -3,6 +3,9 @@ import { afterEach, beforeEach, describe, expect, it } from "vitest";
 import type { ClawdbotConfig } from "../config/config.js";
 import type { ChannelPlugin } from "../channels/plugins/types.js";
 import { runSecurityAudit } from "./audit.js";
+import { discordPlugin } from "../channels/plugins/discord.js";
+import { slackPlugin } from "../channels/plugins/slack.js";
+import { telegramPlugin } from "../channels/plugins/telegram.js";
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
@@ -222,6 +225,97 @@ describe("security audit", () => {
     );
   });
 
+  it("flags Discord native commands without a guild user allowlist", async () => {
+    const cfg: ClawdbotConfig = {
+      channels: {
+        discord: {
+          enabled: true,
+          token: "t",
+          groupPolicy: "allowlist",
+          guilds: {
+            "123": {
+              channels: {
+                general: { allow: true },
+              },
+            },
+          },
+        },
+      },
+    };
+
+    const res = await runSecurityAudit({
+      config: cfg,
+      includeFilesystem: false,
+      includeChannelSecurity: true,
+      plugins: [discordPlugin],
+    });
+
+    const finding = res.findings.find((f) => f.detail.includes("Discord slash commands"));
+    expect(finding?.severity).toBe("critical");
+  });
+
+  it("flags Slack slash commands without a channel users allowlist", async () => {
+    const cfg: ClawdbotConfig = {
+      channels: {
+        slack: {
+          enabled: true,
+          botToken: "xoxb-test",
+          appToken: "xapp-test",
+          groupPolicy: "open",
+          slashCommand: { enabled: true },
+        },
+      },
+    };
+
+    const res = await runSecurityAudit({
+      config: cfg,
+      includeFilesystem: false,
+      includeChannelSecurity: true,
+      plugins: [slackPlugin],
+    });
+
+    const finding = res.findings.find((f) => f.detail.includes("Slack slash commands"));
+    expect(finding?.severity).toBe("critical");
+  });
+
+  it("flags Telegram group commands without a sender allowlist", async () => {
+    const prevStateDir = process.env.CLAWDBOT_STATE_DIR;
+    const tmp = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-security-audit-telegram-"));
+    process.env.CLAWDBOT_STATE_DIR = tmp;
+    await fs.mkdir(path.join(tmp, "credentials"), { recursive: true, mode: 0o700 });
+    try {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          telegram: {
+            enabled: true,
+            botToken: "t",
+            groupPolicy: "allowlist",
+            groups: { "-100123": {} },
+          },
+        },
+      };
+
+      const res = await runSecurityAudit({
+        config: cfg,
+        includeFilesystem: false,
+        includeChannelSecurity: true,
+        plugins: [telegramPlugin],
+      });
+
+      expect(res.findings).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({
+            checkId: "channels.telegram.groups.allowFrom.missing",
+            severity: "critical",
+          }),
+        ]),
+      );
+    } finally {
+      if (prevStateDir == null) delete process.env.CLAWDBOT_STATE_DIR;
+      else process.env.CLAWDBOT_STATE_DIR = prevStateDir;
+    }
+  });
+
   it("adds a warning when deep probe fails", async () => {
     const cfg: ClawdbotConfig = { gateway: { mode: "local" } };
 
@@ -380,6 +474,14 @@ describe("security audit", () => {
   });
 
   it("flags extensions without plugins.allow", async () => {
+    const prevDiscordToken = process.env.DISCORD_BOT_TOKEN;
+    const prevTelegramToken = process.env.TELEGRAM_BOT_TOKEN;
+    const prevSlackBotToken = process.env.SLACK_BOT_TOKEN;
+    const prevSlackAppToken = process.env.SLACK_APP_TOKEN;
+    delete process.env.DISCORD_BOT_TOKEN;
+    delete process.env.TELEGRAM_BOT_TOKEN;
+    delete process.env.SLACK_BOT_TOKEN;
+    delete process.env.SLACK_APP_TOKEN;
     const tmp = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-security-audit-"));
     const stateDir = path.join(tmp, "state");
     await fs.mkdir(path.join(stateDir, "extensions", "some-plugin"), {
@@ -387,20 +489,69 @@ describe("security audit", () => {
       mode: 0o700,
     });
 
-    const cfg: ClawdbotConfig = {};
-    const res = await runSecurityAudit({
-      config: cfg,
-      includeFilesystem: true,
-      includeChannelSecurity: false,
-      stateDir,
-      configPath: path.join(stateDir, "clawdbot.json"),
+    try {
+      const cfg: ClawdbotConfig = {};
+      const res = await runSecurityAudit({
+        config: cfg,
+        includeFilesystem: true,
+        includeChannelSecurity: false,
+        stateDir,
+        configPath: path.join(stateDir, "clawdbot.json"),
+      });
+
+      expect(res.findings).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({ checkId: "plugins.extensions_no_allowlist", severity: "warn" }),
+        ]),
+      );
+    } finally {
+      if (prevDiscordToken == null) delete process.env.DISCORD_BOT_TOKEN;
+      else process.env.DISCORD_BOT_TOKEN = prevDiscordToken;
+      if (prevTelegramToken == null) delete process.env.TELEGRAM_BOT_TOKEN;
+      else process.env.TELEGRAM_BOT_TOKEN = prevTelegramToken;
+      if (prevSlackBotToken == null) delete process.env.SLACK_BOT_TOKEN;
+      else process.env.SLACK_BOT_TOKEN = prevSlackBotToken;
+      if (prevSlackAppToken == null) delete process.env.SLACK_APP_TOKEN;
+      else process.env.SLACK_APP_TOKEN = prevSlackAppToken;
+    }
+  });
+
+  it("flags unallowlisted extensions as critical when native skill commands are exposed", async () => {
+    const prevDiscordToken = process.env.DISCORD_BOT_TOKEN;
+    delete process.env.DISCORD_BOT_TOKEN;
+    const tmp = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-security-audit-"));
+    const stateDir = path.join(tmp, "state");
+    await fs.mkdir(path.join(stateDir, "extensions", "some-plugin"), {
+      recursive: true,
+      mode: 0o700,
     });
 
-    expect(res.findings).toEqual(
-      expect.arrayContaining([
-        expect.objectContaining({ checkId: "plugins.extensions_no_allowlist", severity: "warn" }),
-      ]),
-    );
+    try {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          discord: { enabled: true, token: "t" },
+        },
+      };
+      const res = await runSecurityAudit({
+        config: cfg,
+        includeFilesystem: true,
+        includeChannelSecurity: false,
+        stateDir,
+        configPath: path.join(stateDir, "clawdbot.json"),
+      });
+
+      expect(res.findings).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({
+            checkId: "plugins.extensions_no_allowlist",
+            severity: "critical",
+          }),
+        ]),
+      );
+    } finally {
+      if (prevDiscordToken == null) delete process.env.DISCORD_BOT_TOKEN;
+      else process.env.DISCORD_BOT_TOKEN = prevDiscordToken;
+    }
   });
 
   it("flags open groupPolicy when tools.elevated is enabled", async () => {
diff --git a/src/security/audit.ts b/src/security/audit.ts
index 6e8897980..f0547633c 100644
--- a/src/security/audit.ts
+++ b/src/security/audit.ts
@@ -20,6 +20,7 @@ import {
   readConfigSnapshotForAudit,
 } from "./audit-extra.js";
 import { readChannelAllowFromStore } from "../pairing/pairing-store.js";
+import { resolveNativeSkillsEnabled } from "../config/commands.js";
 import {
   formatOctal,
   isGroupReadable,
@@ -498,6 +499,81 @@ async function collectChannelSecurityFindings(params: {
         });
       }
     }
+
+    if (plugin.id === "telegram") {
+      const allowTextCommands = params.cfg.commands?.text !== false;
+      if (!allowTextCommands) continue;
+
+      const telegramCfg =
+        (account as { config?: Record<string, unknown> } | null)?.config ?? ({} as Record<
+          string,
+          unknown
+        >);
+      const groupPolicy = (telegramCfg.groupPolicy as string | undefined) ?? "allowlist";
+      const groups = telegramCfg.groups as Record<string, unknown> | undefined;
+      const groupsConfigured = Boolean(groups) && Object.keys(groups ?? {}).length > 0;
+      const groupAccessPossible =
+        groupPolicy === "open" || (groupPolicy === "allowlist" && groupsConfigured);
+      if (!groupAccessPossible) continue;
+
+      const storeAllowFrom = await readChannelAllowFromStore("telegram").catch(() => []);
+      const storeHasWildcard = storeAllowFrom.some((v) => String(v).trim() === "*");
+      const groupAllowFrom = Array.isArray(telegramCfg.groupAllowFrom) ? telegramCfg.groupAllowFrom : [];
+      const groupAllowFromHasWildcard = groupAllowFrom.some((v) => String(v).trim() === "*");
+      const anyGroupOverride = Boolean(
+        groups &&
+          Object.values(groups).some((value) => {
+            if (!value || typeof value !== "object") return false;
+            const group = value as Record<string, unknown>;
+            const allowFrom = Array.isArray(group.allowFrom) ? group.allowFrom : [];
+            if (allowFrom.length > 0) return true;
+            const topics = group.topics;
+            if (!topics || typeof topics !== "object") return false;
+            return Object.values(topics as Record<string, unknown>).some((topicValue) => {
+              if (!topicValue || typeof topicValue !== "object") return false;
+              const topic = topicValue as Record<string, unknown>;
+              const topicAllow = Array.isArray(topic.allowFrom) ? topic.allowFrom : [];
+              return topicAllow.length > 0;
+            });
+          }),
+      );
+
+      const hasAnySenderAllowlist =
+        storeAllowFrom.length > 0 || groupAllowFrom.length > 0 || anyGroupOverride;
+
+      if (storeHasWildcard || groupAllowFromHasWildcard) {
+        findings.push({
+          checkId: "channels.telegram.groups.allowFrom.wildcard",
+          severity: "critical",
+          title: "Telegram group allowlist contains wildcard",
+          detail:
+            'Telegram group sender allowlist contains "*", which allows any group member to run /… commands and control directives.',
+          remediation:
+            'Remove "*" from channels.telegram.groupAllowFrom and pairing store; prefer explicit user ids/usernames.',
+        });
+        continue;
+      }
+
+      if (!hasAnySenderAllowlist) {
+        const providerSetting = (telegramCfg.commands as { nativeSkills?: unknown } | undefined)
+          ?.nativeSkills as any;
+        const skillsEnabled = resolveNativeSkillsEnabled({
+          providerId: "telegram",
+          providerSetting,
+          globalSetting: params.cfg.commands?.nativeSkills,
+        });
+        findings.push({
+          checkId: "channels.telegram.groups.allowFrom.missing",
+          severity: "critical",
+          title: "Telegram group commands have no sender allowlist",
+          detail:
+            `Telegram group access is enabled but no sender allowlist is configured; this allows any group member to invoke /… commands` +
+            (skillsEnabled ? " (including skill commands)." : "."),
+          remediation:
+            "Approve yourself via pairing (recommended), or set channels.telegram.groupAllowFrom (or per-group groups.<id>.allowFrom).",
+        });
+      }
+    }
   }
 
   return findings;
diff --git a/src/slack/monitor/message-handler/prepare.ts b/src/slack/monitor/message-handler/prepare.ts
index c79792fb2..8a5a5186e 100644
--- a/src/slack/monitor/message-handler/prepare.ts
+++ b/src/slack/monitor/message-handler/prepare.ts
@@ -26,7 +26,7 @@ import { sendMessageSlack } from "../../send.js";
 import type { SlackMessageEvent } from "../../types.js";
 
 import { allowListMatches, resolveSlackUserAllowed } from "../allow-list.js";
-import { isSlackSenderAllowListed, resolveSlackEffectiveAllowFrom } from "../auth.js";
+import { resolveSlackEffectiveAllowFrom } from "../auth.js";
 import { resolveSlackChannelConfig } from "../channel-config.js";
 import { normalizeSlackChannelType, type SlackMonitorContext } from "../context.js";
 import { resolveSlackMedia, resolveSlackThreadStarter } from "../media.js";
@@ -217,18 +217,34 @@ export async function prepareSlackMessage(params: {
     return null;
   }
 
-  const commandAuthorized =
-    isSlackSenderAllowListed({
-      allowListLower: allowFromLower,
-      senderId,
-      senderName,
-    }) && channelUserAuthorized;
-
   const hasAnyMention = /<@[^>]+>/.test(message.text ?? "");
   const allowTextCommands = shouldHandleTextCommands({
     cfg,
     surface: "slack",
   });
+
+  const ownerAuthorized = allowListMatches({
+    allowList: allowFromLower,
+    id: senderId,
+    name: senderName,
+  });
+  const channelUsersAllowlistConfigured =
+    isRoom && Array.isArray(channelConfig?.users) && channelConfig.users.length > 0;
+  const channelCommandAuthorized =
+    isRoom && channelUsersAllowlistConfigured
+      ? resolveSlackUserAllowed({
+          allowList: channelConfig?.users,
+          userId: senderId,
+          userName: senderName,
+        })
+      : false;
+  const commandAuthorized = ownerAuthorized || channelCommandAuthorized;
+
+  if (allowTextCommands && isRoomish && hasControlCommand(message.text ?? "", cfg) && !commandAuthorized) {
+    logVerbose(`Blocked slack control command from unauthorized sender ${senderId}`);
+    return null;
+  }
+
   const shouldRequireMention = isRoom
     ? (channelConfig?.requireMention ?? ctx.defaultRequireMention)
     : false;
diff --git a/src/slack/monitor/slash.ts b/src/slack/monitor/slash.ts
index 1b4123eac..dc09b5e1e 100644
--- a/src/slack/monitor/slash.ts
+++ b/src/slack/monitor/slash.ts
@@ -167,6 +167,7 @@ export function registerSlackMonitorSlashCommands(params: {
       const isDirectMessage = channelType === "im";
       const isGroupDm = channelType === "mpim";
       const isRoom = channelType === "channel" || channelType === "group";
+      const isRoomish = isRoom || isGroupDm;
 
       if (
         !ctx.isChannelAllowed({
@@ -270,14 +271,16 @@ export function registerSlackMonitorSlashCommands(params: {
 
       const sender = await ctx.resolveUserName(command.user_id);
       const senderName = sender?.name ?? command.user_name ?? command.user_id;
-      const channelUserAllowed = isRoom
+      const channelUsersAllowlistConfigured =
+        isRoom && Array.isArray(channelConfig?.users) && channelConfig.users.length > 0;
+      const channelUserAllowed = channelUsersAllowlistConfigured
         ? resolveSlackUserAllowed({
             allowList: channelConfig?.users,
             userId: command.user_id,
             userName: senderName,
           })
-        : true;
-      if (isRoom && !channelUserAllowed) {
+        : false;
+      if (channelUsersAllowlistConfigured && !channelUserAllowed) {
         await respond({
           text: "You are not authorized to use this command here.",
           response_type: "ephemeral",
@@ -285,6 +288,22 @@ export function registerSlackMonitorSlashCommands(params: {
         return;
       }
 
+      const ownerAllowed = allowListMatches({
+        allowList: effectiveAllowFromLower,
+        id: command.user_id,
+        name: senderName,
+      });
+      if (isRoomish && ctx.useAccessGroups && !(ownerAllowed || channelUserAllowed)) {
+        await respond({
+          text: "You are not authorized to use this command.",
+          response_type: "ephemeral",
+        });
+        return;
+      }
+      if (isRoomish) {
+        commandAuthorized = ctx.useAccessGroups ? ownerAllowed || channelUserAllowed : true;
+      }
+
       if (commandDefinition && supportsInteractiveArgMenus) {
         const menu = resolveCommandArgMenu({
           command: commandDefinition,
@@ -313,7 +332,6 @@ export function registerSlackMonitorSlashCommands(params: {
 
       const channelName = channelInfo?.name;
       const roomLabel = channelName ? `#${channelName}` : `#${command.channel_id}`;
-      const isRoomish = isRoom || isGroupDm;
       const route = resolveAgentRoute({
         cfg,
         channel: "slack",
diff --git a/src/telegram/bot-message-context.ts b/src/telegram/bot-message-context.ts
index 90a92e6c9..dc614fc16 100644
--- a/src/telegram/bot-message-context.ts
+++ b/src/telegram/bot-message-context.ts
@@ -198,11 +198,15 @@ export const buildTelegramMessageContext = async ({
       return null;
     }
   }
-  const commandAuthorized = isSenderAllowed({
-    allow: isGroup ? effectiveGroupAllow : effectiveDmAllow,
+  const allowForCommands = isGroup ? effectiveGroupAllow : effectiveDmAllow;
+  const senderAllowedForCommands = isSenderAllowed({
+    allow: allowForCommands,
     senderId,
     senderUsername,
   });
+  const useAccessGroups = cfg.commands?.useAccessGroups !== false;
+  const commandAuthorized =
+    useAccessGroups && !allowForCommands.hasEntries ? false : senderAllowedForCommands;
   const historyKey = isGroup ? buildTelegramGroupPeerId(chatId, resolvedThreadId) : undefined;
 
   let placeholder = "";
@@ -229,6 +233,14 @@ export const buildTelegramMessageContext = async ({
   const hasAnyMention = (msg.entities ?? msg.caption_entities ?? []).some(
     (ent) => ent.type === "mention",
   );
+  if (
+    isGroup &&
+    hasControlCommand(msg.text ?? msg.caption ?? "", cfg, { botUsername }) &&
+    !commandAuthorized
+  ) {
+    logVerbose(`telegram: drop control command from unauthorized sender ${senderId ?? "unknown"}`);
+    return null;
+  }
   const activationOverride = resolveGroupActivation({
     chatId,
     messageThreadId: resolvedThreadId,
diff --git a/src/telegram/bot-native-commands.ts b/src/telegram/bot-native-commands.ts
index 5d5a1d4bf..adf7eddf1 100644
--- a/src/telegram/bot-native-commands.ts
+++ b/src/telegram/bot-native-commands.ts
@@ -172,17 +172,18 @@ export const registerTelegramNativeCommands = ({
             : [];
           const senderId = msg.from?.id ? String(msg.from.id) : "";
           const senderUsername = msg.from?.username ?? "";
-          const commandAuthorized =
-            allowFromList.length === 0 ||
-            allowFromList.includes("*") ||
-            (senderId && allowFromList.includes(senderId)) ||
-            (senderId && allowFromList.includes(`telegram:${senderId}`)) ||
-            (senderUsername &&
-              allowFromList.some(
-                (entry) =>
-                  entry.toLowerCase() === senderUsername.toLowerCase() ||
-                  entry.toLowerCase() === `@${senderUsername.toLowerCase()}`,
-              ));
+          const allowFromConfigured = allowFromList.length > 0;
+          const commandAuthorized = allowFromConfigured
+            ? allowFromList.includes("*") ||
+              (senderId && allowFromList.includes(senderId)) ||
+              (senderId && allowFromList.includes(`telegram:${senderId}`)) ||
+              (senderUsername &&
+                allowFromList.some(
+                  (entry) =>
+                    entry.toLowerCase() === senderUsername.toLowerCase() ||
+                    entry.toLowerCase() === `@${senderUsername.toLowerCase()}`,
+                ))
+            : !useAccessGroups;
           if (!commandAuthorized) {
             await bot.api.sendMessage(chatId, "You are not authorized to use this command.");
             return;
diff --git a/src/telegram/bot.create-telegram-bot.applies-topic-skill-filters-system-prompts.test.ts b/src/telegram/bot.create-telegram-bot.applies-topic-skill-filters-system-prompts.test.ts
index 788e642e2..2afe8cd1c 100644
--- a/src/telegram/bot.create-telegram-bot.applies-topic-skill-filters-system-prompts.test.ts
+++ b/src/telegram/bot.create-telegram-bot.applies-topic-skill-filters-system-prompts.test.ts
@@ -296,9 +296,11 @@ describe("createTelegramBot", () => {
 
     loadConfig.mockReturnValue({
       commands: { native: true },
-      telegram: {
-        dmPolicy: "open",
-        allowFrom: ["*"],
+      channels: {
+        telegram: {
+          dmPolicy: "open",
+          allowFrom: ["*"],
+        },
       },
     });
 
diff --git a/src/telegram/bot.test.ts b/src/telegram/bot.test.ts
index cd7f3a551..ad4deb039 100644
--- a/src/telegram/bot.test.ts
+++ b/src/telegram/bot.test.ts
@@ -2064,9 +2064,11 @@ describe("createTelegramBot", () => {
 
     loadConfig.mockReturnValue({
       commands: { native: true },
-      telegram: {
-        dmPolicy: "open",
-        allowFrom: ["*"],
+      channels: {
+        telegram: {
+          dmPolicy: "open",
+          allowFrom: ["*"],
+        },
       },
     });