diff --git a/e2e/security-nudge.spec.ts b/e2e/security-nudge.spec.ts
index f9dcd73c9..e664eb46b 100644
--- a/e2e/security-nudge.spec.ts
+++ b/e2e/security-nudge.spec.ts
@@ -29,6 +29,32 @@ async function settled(page: Page) {
   await page.waitForTimeout(2000);
 }
 
+/** [Gitea #307] Serve a Kuma status page for `localhost` with one posted announcement. */
+async function mockAnnouncement(page: Page) {
+  await page.route(/\/config\.json(\?.*)?$/, async (route) => {
+    const res = await route.fetch();
+    const cfg = await res.json();
+    cfg.statusPages = { localhost: { url: 'https://isitup.lotusguild.org', slug: 'matrix' } };
+    await route.fulfill({ response: res, json: cfg });
+  });
+  await page.route(/isitup\.lotusguild\.org\/api\/status-page\//, async (route) => {
+    const cors = { 'access-control-allow-origin': '*' };
+    if (route.request().url().includes('/heartbeat/')) {
+      await route.fulfill({ headers: cors, json: { heartbeatList: {}, uptimeList: {} } });
+      return;
+    }
+    await route.fulfill({
+      headers: cors,
+      json: {
+        config: { slug: 'matrix' },
+        incidents: [{ id: 7, title: 'Community call on Friday', content: '', style: 'info' }],
+        maintenanceList: [],
+        publicGroupList: [],
+      },
+    });
+  });
+}
+
 test.describe('security nudge (#110, #123)', () => {
   let user: TestUser;
 
@@ -60,6 +86,22 @@ test.describe('security nudge (#110, #123)', () => {
     await expect(page.getByText('Device Verification').first()).toBeVisible();
   });
 
+  test('a dismissed announcement no longer hides the nudge (#307)', async ({ page }) => {
+    test.setTimeout(200_000);
+    await mockAnnouncement(page);
+    await loginUI(page, user);
+    await pastGrace(page);
+    await settled(page);
+    // The announcement wins the one strip slot until it's dismissed.
+    const announcement = page.getByRole('status').filter({ hasText: 'Community call on Friday' });
+    await expect(announcement).toBeVisible();
+    await expect(strip(page)).toHaveCount(0);
+    await announcement.getByRole('button', { name: 'Dismiss' }).click();
+    await page.reload();
+    await settled(page);
+    await expect(strip(page)).toContainText("Your encryption keys aren't backed up");
+  });
+
   test('"Not now" snoozes it across a reload', async ({ page }) => {
     test.setTimeout(200_000);
     await loginUI(page, user);
diff --git a/src/app/features/security-nudge/SecurityBanner.tsx b/src/app/features/security-nudge/SecurityBanner.tsx
index bfe7f23d4..8ad82bb82 100644
--- a/src/app/features/security-nudge/SecurityBanner.tsx
+++ b/src/app/features/security-nudge/SecurityBanner.tsx
@@ -14,7 +14,7 @@ import { useKeyBackupInfo, useKeyBackupStatusChange } from '../../hooks/useKeyBa
 import { useAlive } from '../../hooks/useAlive';
 import { useSyncState } from '../../hooks/useSyncState';
 import { settingsRequestAtom } from '../../state/settingsRequest';
-import { serverStatusAtom } from '../../state/serverStatus';
+import { serverStatusAtom, statusDismissedAtom } from '../../state/serverStatus';
 import { pickBanner } from '../../utils/kumaStatus';
 import {
   dismissNudge,
@@ -66,6 +66,7 @@ function SecurityBannerFor({ crypto }: { crypto: CryptoApi }) {
   const backupInfo = useKeyBackupInfo(crypto);
   const backupActive = useBackupActive(crypto);
   const { status: serverStatus, syncLost } = useAtomValue(serverStatusAtom);
+  const statusDismissed = useAtomValue(statusDismissedAtom);
   const requestSettings = useSetAtom(settingsRequestAtom);
   // Not urgent: wait until sync has settled (two SYNCING in a row), so it
   // never stacks under the "Connecting…" strip at startup.
@@ -91,7 +92,11 @@ function SecurityBannerFor({ crypto }: { crypto: CryptoApi }) {
   });
 
   // One strip at a time: outages, maintenance and a lost connection win.
-  const otherStrip = syncLost || !!pickBanner(serverStatus, { syncLost, where: 'client' });
+  // [Gitea #307] Pass what the user dismissed: a dismissed announcement isn't
+  // on screen and must not keep the nudge hidden for as long as it's posted.
+  const otherStrip =
+    syncLost ||
+    !!pickBanner(serverStatus, { syncLost, where: 'client', dismissed: new Set(statusDismissed) });
   if (!settled || !deviceId || !kind || otherStrip || !shouldShowNudge(kind, record, Date.now()))
     return null;
 
diff --git a/src/app/features/server-status/ServerStatusBanner.tsx b/src/app/features/server-status/ServerStatusBanner.tsx
index b59e45fde..f33a2108e 100644
--- a/src/app/features/server-status/ServerStatusBanner.tsx
+++ b/src/app/features/server-status/ServerStatusBanner.tsx
@@ -1,5 +1,5 @@
 import React, { useCallback, useEffect, useMemo, useState } from 'react';
-import { useAtomValue, useSetAtom } from 'jotai';
+import { useAtom, useAtomValue, useSetAtom } from 'jotai';
 import { MatrixClient, SyncState } from 'matrix-js-sdk';
 import { Box, Button, config, Icon, IconButton, Icons, IconSrc, Line, Text } from 'folds';
 import { ContainerColor } from '../../styles/ContainerColor.css';
@@ -7,21 +7,9 @@ import { useClientConfig } from '../../hooks/useClientConfig';
 import { useSyncState } from '../../hooks/useSyncState';
 import { useServerStatus } from '../../hooks/useServerStatus';
 import { ScreenSize, useScreenSizeContext } from '../../hooks/useScreenSize';
-import { serverStatusAtom } from '../../state/serverStatus';
+import { serverStatusAtom, statusDismissedAtom } from '../../state/serverStatus';
 import { pickBanner, resolveStatusPage, StatusBanner } from '../../utils/kumaStatus';
 
-const DISMISS_KEY = 'lotus-status-banner-dismissed';
-const DISMISS_MAX = 50;
-
-const readDismissed = (): string[] => {
-  try {
-    const v = JSON.parse(localStorage.getItem(DISMISS_KEY) ?? '[]');
-    return Array.isArray(v) ? v.filter((k): k is string => typeof k === 'string') : [];
-  } catch {
-    return [];
-  }
-};
-
 const bannerIcon = (b: StripContent): IconSrc => {
   if (b.kind === 'maintenance') return Icons.Setting;
   if (b.tone === 'Primary') return Icons.Info;
@@ -173,22 +161,14 @@ export function ServerStatusFeature({ mx }: { mx: MatrixClient }) {
 /** The logged-in app's status strip. */
 export function ServerStatusBanner() {
   const { status, syncLost } = useAtomValue(serverStatusAtom);
-  const [dismissed, setDismissed] = useState(readDismissed);
+  const [dismissed, dismissKey] = useAtom(statusDismissedAtom);
   const banner = pickBanner(status, {
     syncLost,
     where: 'client',
     dismissed: new Set(dismissed),
   });
   if (!banner) return null;
-  const dismiss = () => {
-    const next = [...dismissed.filter((k) => k !== banner.key), banner.key].slice(-DISMISS_MAX);
-    try {
-      localStorage.setItem(DISMISS_KEY, JSON.stringify(next));
-    } catch {
-      // storage unavailable — dismissed for this session only
-    }
-    setDismissed(next);
-  };
+  const dismiss = () => dismissKey(banner.key);
   return <StatusStrip banner={banner} onDismiss={dismiss} />;
 }
 
diff --git a/src/app/state/serverStatus.ts b/src/app/state/serverStatus.ts
index 9d4e94250..cd29358e2 100644
--- a/src/app/state/serverStatus.ts
+++ b/src/app/state/serverStatus.ts
@@ -16,3 +16,35 @@ export const serverStatusAtom = atom<{
   syncLost: false,
   lostAt: null,
 });
+
+const DISMISS_KEY = 'lotus-status-banner-dismissed';
+const DISMISS_MAX = 50;
+
+const readDismissed = (): string[] => {
+  try {
+    const v = JSON.parse(localStorage.getItem(DISMISS_KEY) ?? '[]');
+    return Array.isArray(v) ? v.filter((k): k is string => typeof k === 'string') : [];
+  } catch {
+    return [];
+  }
+};
+
+const baseDismissedAtom = atom<string[]>(readDismissed());
+
+/**
+ * [Gitea #307] Status strips the user dismissed (by banner key), shared so
+ * the security nudge knows a dismissed announcement isn't on screen.
+ * Persisted to localStorage; session-only if storage is unavailable.
+ */
+export const statusDismissedAtom = atom(
+  (get) => get(baseDismissedAtom),
+  (get, set, key: string) => {
+    const next = [...get(baseDismissedAtom).filter((k) => k !== key), key].slice(-DISMISS_MAX);
+    try {
+      localStorage.setItem(DISMISS_KEY, JSON.stringify(next));
+    } catch {
+      // storage unavailable — dismissed for this session only
+    }
+    set(baseDismissedAtom, next);
+  },
+);