diff --git a/src/agents/auth-health.test.ts b/src/agents/auth-health.test.ts
index 3b416545904..287e6be2d12 100644
--- a/src/agents/auth-health.test.ts
+++ b/src/agents/auth-health.test.ts
@@ -1,4 +1,5 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { MAX_DATE_TIMESTAMP_MS } from "../shared/number-coercion.js";
 import type { OAuthCredential } from "./auth-profiles/types.js";
 
 const { readCodexCliCredentialsCachedMock } = vi.hoisted(() => ({
@@ -376,6 +377,35 @@ describe("buildAuthHealthSummary", () => {
     expect(reasonCodes["github-copilot:invalid-expires"]).toBe("invalid_expires");
   });
 
+  it("does not expose out-of-range oauth expiry values in health rollups", () => {
+    vi.spyOn(Date, "now").mockReturnValue(now);
+    const store = {
+      version: 1,
+      profiles: {
+        "openai-codex:bad-expiry": {
+          type: "oauth" as const,
+          provider: "openai-codex",
+          access: "oauth-access",
+          refresh: "oauth-refresh",
+          expires: MAX_DATE_TIMESTAMP_MS + 1,
+        },
+      },
+    };
+
+    const summary = buildAuthHealthSummary({
+      store,
+      warnAfterMs: DEFAULT_OAUTH_WARN_MS,
+    });
+
+    const profile = summary.profiles.find((entry) => entry.profileId === "openai-codex:bad-expiry");
+    const provider = summary.providers.find((entry) => entry.provider === "openai-codex");
+
+    expect(profile?.status).toBe("missing");
+    expect(profile?.expiresAt).toBeUndefined();
+    expect(provider?.status).toBe("missing");
+    expect(provider?.expiresAt).toBeUndefined();
+  });
+
   it("does not normalize provider aliases when filtering and grouping profile health", () => {
     vi.spyOn(Date, "now").mockReturnValue(now);
     const store = {
diff --git a/src/agents/auth-health.ts b/src/agents/auth-health.ts
index fe142e45404..ef655f1cf78 100644
--- a/src/agents/auth-health.ts
+++ b/src/agents/auth-health.ts
@@ -3,6 +3,7 @@ import {
   normalizeProviderId,
 } from "@openclaw/model-catalog-core/provider-id";
 import type { OpenClawConfig } from "../config/types.openclaw.js";
+import { asDateTimestampMs } from "../shared/number-coercion.js";
 import { normalizeUniqueStringEntries } from "../shared/string-normalization.js";
 import {
   DEFAULT_OAUTH_REFRESH_MARGIN_MS,
@@ -92,24 +93,25 @@ function resolveOAuthStatus(
   expiresAt: number | undefined,
   now: number,
   expiringWithinMs: number,
-): { status: AuthProfileHealthStatus; remainingMs?: number } {
-  if (!expiresAt || !Number.isFinite(expiresAt) || expiresAt <= 0) {
+): { status: AuthProfileHealthStatus; expiresAt?: number; remainingMs?: number } {
+  const normalizedExpiresAt = asDateTimestampMs(expiresAt);
+  if (normalizedExpiresAt === undefined || normalizedExpiresAt <= 0) {
     return { status: "missing" };
   }
-  const remainingMs = expiresAt - now;
-  const expiryState = resolveTokenExpiryState(expiresAt, now, {
+  const remainingMs = normalizedExpiresAt - now;
+  const expiryState = resolveTokenExpiryState(normalizedExpiresAt, now, {
     expiringWithinMs,
   });
   if (expiryState === "invalid_expires" || expiryState === "missing") {
     return { status: "missing" };
   }
   if (expiryState === "expired") {
-    return { status: "expired", remainingMs };
+    return { status: "expired", expiresAt: normalizedExpiresAt, remainingMs };
   }
   if (expiryState === "expiring") {
-    return { status: "expiring", remainingMs };
+    return { status: "expiring", expiresAt: normalizedExpiresAt, remainingMs };
   }
-  return { status: "ok", remainingMs };
+  return { status: "ok", expiresAt: normalizedExpiresAt, remainingMs };
 }
 
 function buildProfileHealth(params: {
@@ -168,14 +170,18 @@ function buildProfileHealth(params: {
         label,
       };
     }
-    const { status, remainingMs } = resolveOAuthStatus(expiresAt, now, warnAfterMs);
+    const {
+      status,
+      expiresAt: normalizedExpiresAt,
+      remainingMs,
+    } = resolveOAuthStatus(expiresAt, now, warnAfterMs);
     return {
       profileId,
       provider,
       type: "token",
       status,
       reasonCode: status === "expired" ? "expired" : undefined,
-      expiresAt,
+      expiresAt: normalizedExpiresAt,
       remainingMs,
       source,
       label,
@@ -187,17 +193,17 @@ function buildProfileHealth(params: {
     credential: healthCredential,
   });
   const oauthWarnAfterMs = Math.max(warnAfterMs, DEFAULT_OAUTH_REFRESH_MARGIN_MS);
-  const { status: rawStatus, remainingMs } = resolveOAuthStatus(
-    effectiveCredential.expires,
-    now,
-    oauthWarnAfterMs,
-  );
+  const {
+    status: rawStatus,
+    expiresAt,
+    remainingMs,
+  } = resolveOAuthStatus(effectiveCredential.expires, now, oauthWarnAfterMs);
   return {
     profileId,
     provider,
     type: "oauth",
     status: rawStatus,
-    expiresAt: effectiveCredential.expires,
+    expiresAt,
     remainingMs,
     source,
     label,
@@ -317,7 +323,8 @@ export function buildAuthHealthSummary(params: {
 
     let hasApiKeyProfile = false;
     let hasExpirableProfile = false;
-    let hasExpiredOrMissing = false;
+    let hasExpired = false;
+    let hasMissing = false;
     let hasExpiring = false;
     let earliestExpiry: number | undefined;
     for (const profile of effectiveProfiles) {
@@ -335,8 +342,10 @@ export function buildAuthHealthSummary(params: {
             ? profile.expiresAt
             : Math.min(earliestExpiry, profile.expiresAt);
       }
-      if (profile.status === "expired" || profile.status === "missing") {
-        hasExpiredOrMissing = true;
+      if (profile.status === "expired") {
+        hasExpired = true;
+      } else if (profile.status === "missing") {
+        hasMissing = true;
       } else if (profile.status === "expiring") {
         hasExpiring = true;
       }
@@ -352,8 +361,10 @@ export function buildAuthHealthSummary(params: {
       provider.remainingMs = provider.expiresAt - now;
     }
 
-    if (hasExpiredOrMissing) {
+    if (hasExpired) {
       provider.status = "expired";
+    } else if (hasMissing) {
+      provider.status = "missing";
     } else if (hasExpiring) {
       provider.status = "expiring";
     } else {