diff --git a/oxlint-suppressions.json b/oxlint-suppressions.json
index 0259cb04543..4df4e48e59c 100644
--- a/oxlint-suppressions.json
+++ b/oxlint-suppressions.json
@@ -4171,11 +4171,6 @@
       "count": 2
     }
   },
-  "web/hooks/use-oauth.ts": {
-    "typescript/no-explicit-any": {
-      "count": 1
-    }
-  },
   "web/hooks/use-pay.tsx": {
     "eslint-react/set-state-in-effect": {
       "count": 4
diff --git a/web/app/oauth-callback/__tests__/page.spec.tsx b/web/app/oauth-callback/__tests__/page.spec.tsx
new file mode 100644
index 00000000000..5a89f68855e
--- /dev/null
+++ b/web/app/oauth-callback/__tests__/page.spec.tsx
@@ -0,0 +1,100 @@
+import { render, screen } from '@testing-library/react'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { createReactI18nextMock } from '@/test/i18n-mock'
+
+vi.mock('react-i18next', () =>
+  createReactI18nextMock({
+    'oauth.callback.success': 'Authorization complete',
+    'oauth.callback.successHint': 'You can now close this tab and return to the previous page.',
+    'oauth.callback.error': 'Authorization failed',
+    'oauth.callback.errorHint': 'Please return to the previous page and try again.',
+    'login.signBtn': 'Sign in',
+  }),
+)
+
+vi.mock('@/hooks/use-oauth', () => ({
+  useOAuthCallback: vi.fn(),
+}))
+
+vi.mock('@/hooks/use-document-title', () => ({
+  default: vi.fn(),
+}))
+
+const { useOAuthCallback } = await import('@/hooks/use-oauth')
+const OAuthCallback = (await import('../page')).default
+
+const setOpener = (opener: Window | null) => {
+  Object.defineProperty(window, 'opener', { configurable: true, writable: true, value: opener })
+}
+
+describe('OAuthCallback page', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks()
+  })
+
+  afterEach(() => {
+    setOpener(null)
+  })
+
+  it('renders an empty <div /> when opened as a popup (hasOpener=true) so the popup can close cleanly', () => {
+    setOpener({ postMessage: vi.fn() } as unknown as Window)
+    vi.mocked(useOAuthCallback).mockReturnValue({
+      hasOpener: true,
+      finished: false,
+      error: null,
+      errorDescription: null,
+    })
+
+    const { container } = render(<OAuthCallback />)
+    expect(container.firstChild).not.toBeNull()
+    expect(container.firstChild!.nodeName).toBe('DIV')
+    expect(container.firstChild!.childNodes.length).toBe(0)
+  })
+
+  it('renders a success message when opened in a new tab with a subscription_id (#39752)', () => {
+    setOpener(null)
+    vi.mocked(useOAuthCallback).mockReturnValue({
+      hasOpener: false,
+      finished: true,
+      error: null,
+      errorDescription: null,
+    })
+
+    render(<OAuthCallback />)
+    expect(screen.getByRole('main')).toBeInTheDocument()
+    expect(screen.getByText('Authorization complete')).toBeInTheDocument()
+    expect(
+      screen.getByText('You can now close this tab and return to the previous page.'),
+    ).toBeInTheDocument()
+  })
+
+  it('renders an error message with the provider description when the provider reported an error (#39752)', () => {
+    setOpener(null)
+    vi.mocked(useOAuthCallback).mockReturnValue({
+      hasOpener: false,
+      finished: true,
+      error: 'access_denied',
+      errorDescription: 'Please re-authorize the app.',
+    })
+
+    render(<OAuthCallback />)
+    expect(screen.getByText('Authorization failed')).toBeInTheDocument()
+    expect(screen.getByText('Please re-authorize the app.')).toBeInTheDocument()
+  })
+
+  it('falls back to a generic error hint when the provider did not supply an error_description', () => {
+    setOpener(null)
+    vi.mocked(useOAuthCallback).mockReturnValue({
+      hasOpener: false,
+      finished: true,
+      error: 'server_error',
+      errorDescription: null,
+    })
+
+    render(<OAuthCallback />)
+    expect(screen.getByText('Authorization failed')).toBeInTheDocument()
+    expect(
+      screen.getByText('Please return to the previous page and try again.'),
+    ).toBeInTheDocument()
+  })
+})
diff --git a/web/app/oauth-callback/page.tsx b/web/app/oauth-callback/page.tsx
index ad1e0204feb..096e892ee67 100644
--- a/web/app/oauth-callback/page.tsx
+++ b/web/app/oauth-callback/page.tsx
@@ -4,11 +4,32 @@ import useDocumentTitle from '@/hooks/use-document-title'
 import { useOAuthCallback } from '@/hooks/use-oauth'
 
 const OAuthCallback = () => {
-  const { t } = useTranslation(['login'])
+  const { t } = useTranslation(['login', 'oauth'])
   useDocumentTitle(t(($) => $.signBtn, { ns: 'login' }))
-  useOAuthCallback()
+  const { hasOpener, finished, error, errorDescription } = useOAuthCallback()
 
-  return <div />
+  // When the page is opened as a popup by the console, the hook posts the
+  // OAuth result to the opener and calls window.close(). The page only
+  // needs to render a fallback message when the page was opened in a new
+  // tab (no `window.opener`); see issue #39752.
+  if (hasOpener || !finished) return <div />
+
+  return (
+    <main className="flex min-h-screen items-center justify-center bg-background-default-subtle p-6">
+      <div className="w-full max-w-md rounded-2xl border border-components-panel-border bg-components-panel-bg p-8 text-center shadow-sm">
+        <h1 className="text-xl font-semibold text-text-primary">
+          {error
+            ? t(($) => $['callback.error'], { ns: 'oauth' })
+            : t(($) => $['callback.success'], { ns: 'oauth' })}
+        </h1>
+        <p className="mt-2 text-sm text-text-secondary">
+          {error
+            ? errorDescription || t(($) => $['callback.errorHint'], { ns: 'oauth' })
+            : t(($) => $['callback.successHint'], { ns: 'oauth' })}
+        </p>
+      </div>
+    </main>
+  )
 }
 
 export default OAuthCallback
diff --git a/web/hooks/__tests__/use-oauth.spec.tsx b/web/hooks/__tests__/use-oauth.spec.tsx
new file mode 100644
index 00000000000..f3d6d0e0eed
--- /dev/null
+++ b/web/hooks/__tests__/use-oauth.spec.tsx
@@ -0,0 +1,126 @@
+import { renderHook } from '@testing-library/react'
+import { renderToString } from 'react-dom/server'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { useOAuthCallback } from '../use-oauth'
+
+const originalOpener = window.opener
+const originalClose = window.close
+
+const setOpener = (opener: Window | null) => {
+  Object.defineProperty(window, 'opener', { configurable: true, writable: true, value: opener })
+}
+
+describe('useOAuthCallback', () => {
+  beforeEach(() => {
+    vi.restoreAllMocks()
+  })
+
+  afterEach(() => {
+    setOpener(originalOpener)
+    window.close = originalClose
+  })
+
+  it('posts a success message and closes the popup when window.opener is present and a subscription_id is in the query', () => {
+    const postMessage = vi.fn()
+    setOpener({ origin: 'https://console.example.test', postMessage } as unknown as Window)
+    const close = vi.fn()
+    window.close = close
+    window.history.replaceState({}, '', '/oauth-callback?subscription_id=sub-123')
+
+    const { result } = renderHook(() => useOAuthCallback())
+
+    expect(postMessage).toHaveBeenCalledWith(
+      { type: 'oauth_callback', success: true, subscriptionId: 'sub-123' },
+      'https://console.example.test',
+    )
+    expect(close).toHaveBeenCalledTimes(1)
+    expect(result.current.hasOpener).toBe(true)
+    expect(result.current.finished).toBe(true)
+  })
+
+  it('posts an error message and closes the popup when window.opener is present and an error is in the query', () => {
+    const postMessage = vi.fn()
+    setOpener({ origin: 'https://console.example.test', postMessage } as unknown as Window)
+    const close = vi.fn()
+    window.close = close
+    window.history.replaceState(
+      {},
+      '',
+      '/oauth-callback?error=access_denied&error_description=User%20denied%20access',
+    )
+
+    renderHook(() => useOAuthCallback())
+
+    expect(postMessage).toHaveBeenCalledWith(
+      {
+        type: 'oauth_callback',
+        success: false,
+        error: 'access_denied',
+        errorDescription: 'User denied access',
+      },
+      'https://console.example.test',
+    )
+    expect(close).toHaveBeenCalledTimes(1)
+  })
+
+  it('falls back to targetOrigin "*" when window.opener has no origin (e.g. file:// popup)', () => {
+    const postMessage = vi.fn()
+    setOpener({ postMessage } as unknown as Window)
+    const close = vi.fn()
+    window.close = close
+    window.history.replaceState({}, '', '/oauth-callback?subscription_id=sub-1')
+
+    renderHook(() => useOAuthCallback())
+
+    expect(postMessage).toHaveBeenCalledWith(expect.any(Object), '*')
+  })
+
+  it('exposes success state without posting a message when window.opener is missing (new-tab case) (#39752)', () => {
+    setOpener(null)
+    const close = vi.fn()
+    window.close = close
+    window.history.replaceState({}, '', '/oauth-callback?subscription_id=sub-tab-1')
+
+    const { result } = renderHook(() => useOAuthCallback())
+
+    // No opener, so we must NOT try to close (would close the only tab).
+    expect(close).not.toHaveBeenCalled()
+    // The page needs the state to render a meaningful message instead of an empty <div />.
+    expect(result.current.hasOpener).toBe(false)
+    expect(result.current.finished).toBe(true)
+    expect(result.current.error).toBeNull()
+    expect(result.current.errorDescription).toBeNull()
+  })
+
+  it('exposes the provider error in state when window.opener is missing (#39752)', () => {
+    setOpener(null)
+    const close = vi.fn()
+    window.close = close
+    window.history.replaceState(
+      {},
+      '',
+      '/oauth-callback?error=access_denied&error_description=Please%20re-authorize',
+    )
+
+    const { result } = renderHook(() => useOAuthCallback())
+
+    expect(close).not.toHaveBeenCalled()
+    expect(result.current.hasOpener).toBe(false)
+    expect(result.current.finished).toBe(true)
+    expect(result.current.error).toBe('access_denied')
+    expect(result.current.errorDescription).toBe('Please re-authorize')
+  })
+
+  it('renders without browser globals on the server and waits for hydration', () => {
+    const ServerCallback = () => {
+      const state = useOAuthCallback()
+      return <div>{state.finished ? 'finished' : 'waiting'}</div>
+    }
+    vi.stubGlobal('window', undefined)
+    try {
+      expect(renderToString(<ServerCallback />)).toContain('waiting')
+    } finally {
+      vi.unstubAllGlobals()
+    }
+  })
+})
diff --git a/web/hooks/use-oauth.ts b/web/hooks/use-oauth.ts
index d0cdc6d12b5..298261d85a7 100644
--- a/web/hooks/use-oauth.ts
+++ b/web/hooks/use-oauth.ts
@@ -1,51 +1,78 @@
 'use client'
-import { useEffect } from 'react'
+import { useEffect, useSyncExternalStore } from 'react'
 import { validateRedirectUrl } from '@/utils/urlValidation'
 
-export const useOAuthCallback = () => {
+export type OAuthCallbackState = {
+  /** True when the callback tab/popup was opened by another window via window.open. */
+  hasOpener: boolean
+  /** True after the callback has posted a message to the opener (or decided not to). */
+  finished: boolean
+  /** Provider-supplied error code, if any. */
+  error: string | null
+  /** Provider-supplied error description, if any. */
+  errorDescription: string | null
+}
+
+// OAuth redirects load a new page. The URL and opener do not change during
+// this page's lifetime, so a subscription is not needed after hydration.
+const subscribeToCallback = () => () => {}
+const getCallbackSnapshot = () => JSON.stringify([!!window.opener, window.location.search])
+const getServerCallbackSnapshot = () => null
+
+export const useOAuthCallback = (): OAuthCallbackState => {
+  const snapshot = useSyncExternalStore(
+    subscribeToCallback,
+    getCallbackSnapshot,
+    getServerCallbackSnapshot,
+  )
+  const [hasOpener, search] =
+    snapshot === null ? [false, ''] : (JSON.parse(snapshot) as [boolean, string])
+  const urlParams = new URLSearchParams(search)
+  const error = urlParams.get('error')
+  const errorDescription = urlParams.get('error_description')
+
   useEffect(() => {
     const urlParams = new URLSearchParams(window.location.search)
     const subscriptionId = urlParams.get('subscription_id')
     const error = urlParams.get('error')
     const errorDescription = urlParams.get('error_description')
+    const opener = window.opener
 
-    if (window.opener) {
-      // Use window.opener.origin instead of '*' for security
-      const targetOrigin = window.opener?.origin || '*'
+    if (!opener) return
 
-      if (subscriptionId) {
-        window.opener.postMessage(
-          {
-            type: 'oauth_callback',
-            success: true,
-            subscriptionId,
-          },
-          targetOrigin,
-        )
-      } else if (error) {
-        window.opener.postMessage(
-          {
-            type: 'oauth_callback',
-            success: false,
-            error,
-            errorDescription,
-          },
-          targetOrigin,
-        )
-      } else {
-        window.opener.postMessage(
-          {
-            type: 'oauth_callback',
-          },
-          targetOrigin,
-        )
-      }
-      window.close()
+    // Use window.opener.origin instead of '*' for security.
+    const targetOrigin = opener.origin || '*'
+
+    if (subscriptionId) {
+      opener.postMessage({ type: 'oauth_callback', success: true, subscriptionId }, targetOrigin)
+    } else if (error) {
+      opener.postMessage(
+        { type: 'oauth_callback', success: false, error, errorDescription },
+        targetOrigin,
+      )
+    } else {
+      opener.postMessage({ type: 'oauth_callback' }, targetOrigin)
     }
+    window.close()
   }, [])
+
+  return {
+    hasOpener,
+    finished: snapshot !== null,
+    error,
+    errorDescription,
+  }
 }
 
-export const openOAuthPopup = (url: string, callback: (data?: any) => void) => {
+type OAuthCallbackMessage = {
+  type: 'oauth_callback'
+  success?: boolean
+  subscriptionId?: string
+  error?: string
+  errorDescription?: string
+}
+
+export const openOAuthPopup = (url: string, callback: (data?: OAuthCallbackMessage) => void) => {
   const width = 600
   const height = 600
   const left = window.screenX + (window.outerWidth - width) / 2
diff --git a/web/i18n/locales/ar-TN/oauth.json b/web/i18n/locales/ar-TN/oauth.json
index 7ac178c7e33..839398df86d 100644
--- a/web/i18n/locales/ar-TN/oauth.json
+++ b/web/i18n/locales/ar-TN/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "فشل التفويض",
+  "callback.errorHint": "يرجى العودة إلى الصفحة السابقة والمحاولة مرة أخرى.",
+  "callback.success": "اكتمل التفويض",
+  "callback.successHint": "يمكنك الآن إغلاق علامة التبويب هذه والعودة إلى الصفحة السابقة.",
   "connect": "الاتصال بـ",
   "continue": "متابعة",
   "error.authAppInfoFetchFailed": "فشل جلب معلومات التطبيق للتفويض",
diff --git a/web/i18n/locales/az-AZ/oauth.json b/web/i18n/locales/az-AZ/oauth.json
index 6c7220ee335..8462b6f9869 100644
--- a/web/i18n/locales/az-AZ/oauth.json
+++ b/web/i18n/locales/az-AZ/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "İcazə vermək mümkün olmadı",
+  "callback.errorHint": "Əvvəlki səhifəyə qayıdıb yenidən cəhd edin.",
+  "callback.success": "İcazə verildi",
+  "callback.successHint": "İndi bu vərəqi bağlayıb əvvəlki səhifəyə qayıda bilərsiniz.",
   "connect": "Qoşulma:",
   "continue": "Davam et",
   "error.authAppInfoFetchFailed": "İcazə vermək üçün tətbiq məlumatlarını əldə etmək mümkün olmadı",
diff --git a/web/i18n/locales/de-DE/oauth.json b/web/i18n/locales/de-DE/oauth.json
index 65b6471e8e6..eeaa70e3a5b 100644
--- a/web/i18n/locales/de-DE/oauth.json
+++ b/web/i18n/locales/de-DE/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Autorisierung fehlgeschlagen",
+  "callback.errorHint": "Bitte kehren Sie zur vorherigen Seite zurück und versuchen Sie es erneut.",
+  "callback.success": "Autorisierung abgeschlossen",
+  "callback.successHint": "Sie können diesen Tab jetzt schließen und zur vorherigen Seite zurückkehren.",
   "connect": "Verbinden mit",
   "continue": "Fortsetzen",
   "error.authAppInfoFetchFailed": "Fehler beim Abrufen der App-Informationen für die Autorisierung",
diff --git a/web/i18n/locales/en-US/oauth.json b/web/i18n/locales/en-US/oauth.json
index 6383839b9f9..09701ccd714 100644
--- a/web/i18n/locales/en-US/oauth.json
+++ b/web/i18n/locales/en-US/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Authorization failed",
+  "callback.errorHint": "Please return to the previous page and try again.",
+  "callback.success": "Authorization complete",
+  "callback.successHint": "You can now close this tab and return to the previous page.",
   "connect": "Connect to",
   "continue": "Continue",
   "error.authAppInfoFetchFailed": "Failed to fetch app info for authorization",
diff --git a/web/i18n/locales/es-ES/oauth.json b/web/i18n/locales/es-ES/oauth.json
index e54fc7fa4ac..e0f06dc1ac5 100644
--- a/web/i18n/locales/es-ES/oauth.json
+++ b/web/i18n/locales/es-ES/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "La autorización falló",
+  "callback.errorHint": "Vuelve a la página anterior e inténtalo de nuevo.",
+  "callback.success": "Autorización completada",
+  "callback.successHint": "Ya puedes cerrar esta pestaña y volver a la página anterior.",
   "connect": "Conectar a",
   "continue": "Continuar",
   "error.authAppInfoFetchFailed": "No se pudo obtener la información de la aplicación para la autorización",
diff --git a/web/i18n/locales/fa-IR/oauth.json b/web/i18n/locales/fa-IR/oauth.json
index 1a0116d61cb..1fbcfe291e3 100644
--- a/web/i18n/locales/fa-IR/oauth.json
+++ b/web/i18n/locales/fa-IR/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "مجوزدهی ناموفق بود",
+  "callback.errorHint": "لطفاً به صفحه قبلی برگردید و دوباره تلاش کنید.",
+  "callback.success": "مجوزدهی تکمیل شد",
+  "callback.successHint": "اکنون می‌توانید این برگه را ببندید و به صفحه قبلی بازگردید.",
   "connect": "متصل به",
   "continue": "ادامه دهید",
   "error.authAppInfoFetchFailed": "عدم موفقیت در دریافت اطلاعات برنامه برای مجوز",
diff --git a/web/i18n/locales/fr-FR/oauth.json b/web/i18n/locales/fr-FR/oauth.json
index 7c82c92a831..482df6c7555 100644
--- a/web/i18n/locales/fr-FR/oauth.json
+++ b/web/i18n/locales/fr-FR/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Échec de l’autorisation",
+  "callback.errorHint": "Veuillez revenir à la page précédente et réessayer.",
+  "callback.success": "Autorisation terminée",
+  "callback.successHint": "Vous pouvez maintenant fermer cet onglet et revenir à la page précédente.",
   "connect": "Se connecter à",
   "continue": "Continuer",
   "error.authAppInfoFetchFailed": "Échec de la récupération des informations de l'application pour l'autorisation",
diff --git a/web/i18n/locales/hi-IN/oauth.json b/web/i18n/locales/hi-IN/oauth.json
index b1a58fa0da9..0b99ae34457 100644
--- a/web/i18n/locales/hi-IN/oauth.json
+++ b/web/i18n/locales/hi-IN/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "प्राधिकरण विफल",
+  "callback.errorHint": "कृपया पिछले पृष्ठ पर लौटें और फिर से प्रयास करें।",
+  "callback.success": "प्राधिकरण पूरा हुआ",
+  "callback.successHint": "अब आप इस टैब को बंद करके पिछले पृष्ठ पर लौट सकते हैं।",
   "connect": "संयोजित करें",
   "continue": "जारी रखें",
   "error.authAppInfoFetchFailed": "प्राधिकरण के लिए ऐप जानकारी प्राप्त करने में असफल हुआ",
diff --git a/web/i18n/locales/id-ID/oauth.json b/web/i18n/locales/id-ID/oauth.json
index 688c7873b55..163b9e6a911 100644
--- a/web/i18n/locales/id-ID/oauth.json
+++ b/web/i18n/locales/id-ID/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Otorisasi gagal",
+  "callback.errorHint": "Kembali ke halaman sebelumnya dan coba lagi.",
+  "callback.success": "Otorisasi selesai",
+  "callback.successHint": "Anda sekarang dapat menutup tab ini dan kembali ke halaman sebelumnya.",
   "connect": "Hubungkan",
   "continue": "Lanjut",
   "error.authAppInfoFetchFailed": "Gagal mengambil info aplikasi untuk otorisasi",
diff --git a/web/i18n/locales/it-IT/oauth.json b/web/i18n/locales/it-IT/oauth.json
index 82b2c1d1f01..41da6019d1b 100644
--- a/web/i18n/locales/it-IT/oauth.json
+++ b/web/i18n/locales/it-IT/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Autorizzazione non riuscita",
+  "callback.errorHint": "Torna alla pagina precedente e riprova.",
+  "callback.success": "Autorizzazione completata",
+  "callback.successHint": "Ora puoi chiudere questa scheda e tornare alla pagina precedente.",
   "connect": "Connetti a",
   "continue": "Continua",
   "error.authAppInfoFetchFailed": "Impossibile recuperare le informazioni sull'app per l'autorizzazione",
diff --git a/web/i18n/locales/ja-JP/oauth.json b/web/i18n/locales/ja-JP/oauth.json
index 14e2f0ddf48..970cb90d5f2 100644
--- a/web/i18n/locales/ja-JP/oauth.json
+++ b/web/i18n/locales/ja-JP/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "認証に失敗しました",
+  "callback.errorHint": "前のページに戻ってもう一度お試しください。",
+  "callback.success": "認証が完了しました",
+  "callback.successHint": "このタブを閉じて前のページに戻ることができます。",
   "connect": "接続する",
   "continue": "続行",
   "error.authAppInfoFetchFailed": "認証のためのアプリ情報の取得に失敗しました",
diff --git a/web/i18n/locales/ko-KR/oauth.json b/web/i18n/locales/ko-KR/oauth.json
index af510c6014b..8c74ef9b0aa 100644
--- a/web/i18n/locales/ko-KR/oauth.json
+++ b/web/i18n/locales/ko-KR/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "권한 부여 실패",
+  "callback.errorHint": "이전 페이지로 돌아가 다시 시도해 주세요.",
+  "callback.success": "권한 부여 완료",
+  "callback.successHint": "이제 이 탭을 닫고 이전 페이지로 돌아갈 수 있습니다.",
   "connect": "연결",
   "continue": "계속",
   "error.authAppInfoFetchFailed": "인증을 위한 앱 정보를 가져오지 못했습니다.",
diff --git a/web/i18n/locales/lo-LA/oauth.json b/web/i18n/locales/lo-LA/oauth.json
index d7aff0dac91..c876c46af11 100644
--- a/web/i18n/locales/lo-LA/oauth.json
+++ b/web/i18n/locales/lo-LA/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "ການອະນຸມັດລົ້ມເຫຼວ",
+  "callback.errorHint": "ກະລຸນາກັບໄປໜ້າກ່ອນ ແລະລອງອີກຄັ້ງ.",
+  "callback.success": "ການອະນຸມັດສຳເລັດແລ້ວ",
+  "callback.successHint": "ຕອນນີ້ທ່ານສາມາດປິດແທັບນີ້ ແລະກັບໄປໜ້າກ່ອນໄດ້.",
   "connect": "ເຊື່ອມຕໍ່ກັບ",
   "continue": "ດຳເນີນການຕໍ່",
   "error.authAppInfoFetchFailed": "ບໍ່ສາມາດດຶງຂໍ້ມູນແອັບຯເພື່ອການອະນຸມັດໄດ້",
diff --git a/web/i18n/locales/nl-NL/oauth.json b/web/i18n/locales/nl-NL/oauth.json
index 6383839b9f9..5cfba8aa612 100644
--- a/web/i18n/locales/nl-NL/oauth.json
+++ b/web/i18n/locales/nl-NL/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Autorisatie mislukt",
+  "callback.errorHint": "Ga terug naar de vorige pagina en probeer het opnieuw.",
+  "callback.success": "Autorisatie voltooid",
+  "callback.successHint": "Je kunt dit tabblad nu sluiten en teruggaan naar de vorige pagina.",
   "connect": "Connect to",
   "continue": "Continue",
   "error.authAppInfoFetchFailed": "Failed to fetch app info for authorization",
diff --git a/web/i18n/locales/pl-PL/oauth.json b/web/i18n/locales/pl-PL/oauth.json
index 71d8cef67ba..7dce4b6dd03 100644
--- a/web/i18n/locales/pl-PL/oauth.json
+++ b/web/i18n/locales/pl-PL/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Autoryzacja nie powiodła się",
+  "callback.errorHint": "Wróć do poprzedniej strony i spróbuj ponownie.",
+  "callback.success": "Autoryzacja zakończona",
+  "callback.successHint": "Możesz teraz zamknąć tę kartę i wrócić do poprzedniej strony.",
   "connect": "Połącz z",
   "continue": "Kontynuuj",
   "error.authAppInfoFetchFailed": "Nie udało się pobrać informacji o aplikacji w celu autoryzacji",
diff --git a/web/i18n/locales/pt-BR/oauth.json b/web/i18n/locales/pt-BR/oauth.json
index 35ab3d43970..fed5471bb9b 100644
--- a/web/i18n/locales/pt-BR/oauth.json
+++ b/web/i18n/locales/pt-BR/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Falha na autorização",
+  "callback.errorHint": "Volte à página anterior e tente novamente.",
+  "callback.success": "Autorização concluída",
+  "callback.successHint": "Agora você pode fechar esta aba e voltar à página anterior.",
   "connect": "Conectar a",
   "continue": "Continue",
   "error.authAppInfoFetchFailed": "Falha ao buscar informações do aplicativo para autorização",
diff --git a/web/i18n/locales/ro-RO/oauth.json b/web/i18n/locales/ro-RO/oauth.json
index 5bb5da3141c..5ff71ea653e 100644
--- a/web/i18n/locales/ro-RO/oauth.json
+++ b/web/i18n/locales/ro-RO/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Autorizarea a eșuat",
+  "callback.errorHint": "Reveniți la pagina anterioară și încercați din nou.",
+  "callback.success": "Autorizare finalizată",
+  "callback.successHint": "Acum puteți închide această filă și reveni la pagina anterioară.",
   "connect": "Conectează la",
   "continue": "Continuați",
   "error.authAppInfoFetchFailed": "Nu s-au putut obține informațiile aplicației pentru autorizare",
diff --git a/web/i18n/locales/ru-RU/oauth.json b/web/i18n/locales/ru-RU/oauth.json
index ce742da416e..0ab11a6fdcf 100644
--- a/web/i18n/locales/ru-RU/oauth.json
+++ b/web/i18n/locales/ru-RU/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Авторизация не удалась",
+  "callback.errorHint": "Вернитесь на предыдущую страницу и попробуйте ещё раз.",
+  "callback.success": "Авторизация завершена",
+  "callback.successHint": "Теперь вы можете закрыть эту вкладку и вернуться на предыдущую страницу.",
   "connect": "Подключиться к",
   "continue": "Продолжить",
   "error.authAppInfoFetchFailed": "Не удалось получить информацию об приложении для авторизации",
diff --git a/web/i18n/locales/sl-SI/oauth.json b/web/i18n/locales/sl-SI/oauth.json
index 0d6aec23930..e7964710a67 100644
--- a/web/i18n/locales/sl-SI/oauth.json
+++ b/web/i18n/locales/sl-SI/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Avtorizacija ni uspela",
+  "callback.errorHint": "Vrnite se na prejšnjo stran in poskusite znova.",
+  "callback.success": "Avtorizacija je zaključena",
+  "callback.successHint": "Zdaj lahko zaprete ta zavihek in se vrnete na prejšnjo stran.",
   "connect": "Poveži se z",
   "continue": "Nadaljuj",
   "error.authAppInfoFetchFailed": "Pridobivanje informacij o aplikaciji za avtorizacijo ni uspelo",
diff --git a/web/i18n/locales/th-TH/oauth.json b/web/i18n/locales/th-TH/oauth.json
index 4b732876503..9822b6ec6ac 100644
--- a/web/i18n/locales/th-TH/oauth.json
+++ b/web/i18n/locales/th-TH/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "การอนุญาตล้มเหลว",
+  "callback.errorHint": "โปรดกลับไปยังหน้าก่อนหน้าแล้วลองอีกครั้ง",
+  "callback.success": "การอนุญาตเสร็จสมบูรณ์",
+  "callback.successHint": "ตอนนี้คุณสามารถปิดแท็บนี้และกลับไปยังหน้าก่อนหน้าได้",
   "connect": "เชื่อมต่อกับ",
   "continue": "ดำเนินต่อไป",
   "error.authAppInfoFetchFailed": "ไม่สามารถดึงข้อมูลแอปเพื่อการอนุญาตได้",
diff --git a/web/i18n/locales/tr-TR/oauth.json b/web/i18n/locales/tr-TR/oauth.json
index 0a23e04a960..bb6cffcbe44 100644
--- a/web/i18n/locales/tr-TR/oauth.json
+++ b/web/i18n/locales/tr-TR/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Yetkilendirme başarısız",
+  "callback.errorHint": "Lütfen önceki sayfaya dönüp tekrar deneyin.",
+  "callback.success": "Yetkilendirme tamamlandı",
+  "callback.successHint": "Artık bu sekmeyi kapatıp önceki sayfaya dönebilirsiniz.",
   "connect": "Bağlan",
   "continue": "Devam et",
   "error.authAppInfoFetchFailed": "Yetkilendirme için uygulama bilgisi alınamadı",
diff --git a/web/i18n/locales/uk-UA/oauth.json b/web/i18n/locales/uk-UA/oauth.json
index 28028304522..b3f078939bb 100644
--- a/web/i18n/locales/uk-UA/oauth.json
+++ b/web/i18n/locales/uk-UA/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Авторизація не вдалася",
+  "callback.errorHint": "Поверніться на попередню сторінку та спробуйте ще раз.",
+  "callback.success": "Авторизацію завершено",
+  "callback.successHint": "Тепер ви можете закрити цю вкладку та повернутися на попередню сторінку.",
   "connect": "Підключитися до",
   "continue": "Продовжувати",
   "error.authAppInfoFetchFailed": "Не вдалося отримати інформацію про додаток для авторизації",
diff --git a/web/i18n/locales/vi-VN/oauth.json b/web/i18n/locales/vi-VN/oauth.json
index 88355688f28..535cf3710c4 100644
--- a/web/i18n/locales/vi-VN/oauth.json
+++ b/web/i18n/locales/vi-VN/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "Ủy quyền không thành công",
+  "callback.errorHint": "Vui lòng quay lại trang trước và thử lại.",
+  "callback.success": "Ủy quyền hoàn tất",
+  "callback.successHint": "Bây giờ bạn có thể đóng tab này và quay lại trang trước.",
   "connect": "Kết nối với",
   "continue": "Tiếp tục",
   "error.authAppInfoFetchFailed": "Không thể lấy thông tin ứng dụng để xác thực",
diff --git a/web/i18n/locales/zh-Hans/oauth.json b/web/i18n/locales/zh-Hans/oauth.json
index 05b8a47aea9..0d39f9098db 100644
--- a/web/i18n/locales/zh-Hans/oauth.json
+++ b/web/i18n/locales/zh-Hans/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "授权失败",
+  "callback.errorHint": "请返回上一页并重试。",
+  "callback.success": "授权完成",
+  "callback.successHint": "现在可以关闭此标签页并返回上一页。",
   "connect": "连接到",
   "continue": "继续",
   "error.authAppInfoFetchFailed": "获取待授权应用的信息失败",
diff --git a/web/i18n/locales/zh-Hant/oauth.json b/web/i18n/locales/zh-Hant/oauth.json
index 66675c77f44..61ce543cead 100644
--- a/web/i18n/locales/zh-Hant/oauth.json
+++ b/web/i18n/locales/zh-Hant/oauth.json
@@ -1,4 +1,8 @@
 {
+  "callback.error": "授權失敗",
+  "callback.errorHint": "請返回上一頁並重試。",
+  "callback.success": "授權完成",
+  "callback.successHint": "現在可以關閉此分頁並返回上一頁。",
   "connect": "連接到",
   "continue": "繼續",
   "error.authAppInfoFetchFailed": "無法獲取應用程式授權信息",
diff --git a/web/i18n/resources.generated.d.ts b/web/i18n/resources.generated.d.ts
index 86dd9c7b6fc..830ffe28045 100644
--- a/web/i18n/resources.generated.d.ts
+++ b/web/i18n/resources.generated.d.ts
@@ -3467,6 +3467,10 @@ export default interface Resources {
     'toolsPage.toolPlugin': 'Tool Plugin'
   }
   oauth: {
+    'callback.error': 'Authorization failed'
+    'callback.errorHint': 'Please return to the previous page and try again.'
+    'callback.success': 'Authorization complete'
+    'callback.successHint': 'You can now close this tab and return to the previous page.'
     connect: 'Connect to'
     continue: 'Continue'
     'error.authAppInfoFetchFailed': 'Failed to fetch app info for authorization'