diff --git a/extensions/whatsapp/src/auto-reply/monitor/group-gating.ts b/extensions/whatsapp/src/auto-reply/monitor/group-gating.ts
index 14c07985fe64..db0ec8231a41 100644
--- a/extensions/whatsapp/src/auto-reply/monitor/group-gating.ts
+++ b/extensions/whatsapp/src/auto-reply/monitor/group-gating.ts
@@ -78,12 +78,16 @@ function shouldWarnForGroupDrop(warnKey: string): boolean {
   return true;
 }
 
-function isOwnerSender(baseMentionConfig: MentionConfig, msg: AdmittedWebInboundMessage) {
-  const sender = normalizeE164(getSenderIdentity(msg).e164 ?? "");
+function isOwnerSender(
+  baseMentionConfig: MentionConfig,
+  msg: AdmittedWebInboundMessage,
+  authDir?: string,
+) {
+  const sender = normalizeE164(getSenderIdentity(msg, authDir).e164 ?? "");
   if (!sender) {
     return false;
   }
-  const owners = resolveOwnerList(baseMentionConfig, getSelfIdentity(msg).e164 ?? undefined);
+  const owners = resolveOwnerList(baseMentionConfig, getSelfIdentity(msg, authDir).e164 ?? undefined);
   return owners.includes(sender);
 }
 
@@ -187,7 +191,7 @@ export async function applyGroupGating(params: ApplyGroupGatingParams) {
     self.e164,
   );
   const activationCommand = parseActivationCommand(commandBody);
-  const owner = isOwnerSender(baseMentionConfig, params.msg);
+  const owner = isOwnerSender(baseMentionConfig, params.msg, params.authDir);
   const shouldBypassMention = owner && hasControlCommand(commandBody, params.cfg);
 
   if (activationCommand.hasCommand && !owner) {
diff --git a/extensions/whatsapp/src/auto-reply/monitor/process-message.ts b/extensions/whatsapp/src/auto-reply/monitor/process-message.ts
index 0105c8060d83..572f92ba6edf 100644
--- a/extensions/whatsapp/src/auto-reply/monitor/process-message.ts
+++ b/extensions/whatsapp/src/auto-reply/monitor/process-message.ts
@@ -437,6 +437,7 @@ export async function processMessage(params: {
         cfg: params.cfg,
         msg: params.msg,
         policy: inboundPolicy,
+        authDir: account.authDir,
       })
     : undefined;
   const commandTurn: CommandTurnContext = isTextCommand
diff --git a/extensions/whatsapp/src/inbound-policy.ts b/extensions/whatsapp/src/inbound-policy.ts
index bdb5bd976989..94b865e3fd97 100644
--- a/extensions/whatsapp/src/inbound-policy.ts
+++ b/extensions/whatsapp/src/inbound-policy.ts
@@ -173,13 +173,14 @@ export async function resolveWhatsAppCommandAuthorized(params: {
   cfg: OpenClawConfig;
   msg: AdmittedWebInboundMessage;
   policy?: ResolvedWhatsAppInboundPolicy;
+  authDir?: string;
 }): Promise<boolean> {
   const useAccessGroups = params.cfg.commands?.useAccessGroups !== false;
   if (!useAccessGroups) {
     return true;
   }
 
-  const self = getSelfIdentity(params.msg);
+  const self = getSelfIdentity(params.msg, params.authDir);
   const admission = requireWhatsAppInboundAdmission(params.msg);
   const policy =
     params.policy ??
@@ -189,7 +190,7 @@ export async function resolveWhatsAppCommandAuthorized(params: {
       selfE164: self.e164 ?? null,
     });
   const isGroup = admission.conversation.kind === "group";
-  const sender = getSenderIdentity(params.msg);
+  const sender = getSenderIdentity(params.msg, params.authDir);
   const dmSender = sender.e164 ?? admission.conversation.id;
   const groupSender = sender.e164 ?? "";
   if (!normalizeE164(isGroup ? groupSender : dmSender)) {
diff --git a/extensions/whatsapp/src/inbound/access-control.test.ts b/extensions/whatsapp/src/inbound/access-control.test.ts
index 233c9d035369..4b0ac0710955 100644
--- a/extensions/whatsapp/src/inbound/access-control.test.ts
+++ b/extensions/whatsapp/src/inbound/access-control.test.ts
@@ -1,4 +1,7 @@
 // Whatsapp tests cover access control plugin behavior.
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
 import { beforeAll, describe, expect, it } from "vitest";
 import type {
   AcceptedInboundAccessControlResult,
@@ -602,6 +605,54 @@ describe("WhatsApp dmPolicy precedence", () => {
     expect(result.isSelfChat).toBe(false);
   });
 
+  it("authorizes group commands when owner sender is a LID JID with authDir (issue #77755)", async () => {
+    const lidDigits = "9876543210";
+    const ownerE164 = "+15550001111";
+    const authDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-wa-lid-77755-"));
+    try {
+      // Write reverse LID mapping so the LID JID resolves to the owner's phone
+      fs.writeFileSync(
+        path.join(authDir, `lid-mapping-${lidDigits}_reverse.json`),
+        JSON.stringify(ownerE164),
+      );
+
+      const cfg = {
+        channels: {
+          whatsapp: {
+            dmPolicy: "allowlist",
+            allowFrom: [ownerE164],
+          },
+        },
+      };
+      setAccessControlTestConfig(cfg);
+
+      const result = await resolveWhatsAppCommandAuthorized({
+        cfg: cfg as never,
+        msg: createTestWebInboundMessage({
+          event: { id: "cmd-group-lid" },
+          payload: { body: "/status" },
+          platform: {
+            chatJid: "120363401234567890@g.us",
+            recipientJid: "+15550009999",
+            senderJid: `${lidDigits}@lid`,
+            selfE164: "+15550009999",
+          },
+          admission: {
+            conversation: {
+              id: "120363401234567890@g.us",
+              kind: "group",
+            },
+          },
+        }) as never,
+        authDir,
+      });
+
+      expect(result).toBe(true);
+    } finally {
+      fs.rmSync(authDir, { recursive: true, force: true });
+    }
+  });
+
   it("treats same-phone DMs as self-chat only when explicitly configured", async () => {
     const cfg = {
       channels: {