diff --git a/src/app/i18n/locales/de.json b/src/app/i18n/locales/de.json
index 41aa7b9afa..79038ba2a5 100644
--- a/src/app/i18n/locales/de.json
+++ b/src/app/i18n/locales/de.json
@@ -183,7 +183,13 @@
       "success": "Du hast dich erfolgreich angemeldet",
       "error": "Anmeldung fehlgeschlagen, bitte versuche es erneut",
       "closeWindow": "Du kannst dieses Fenster schließen",
-      "invalidRedirectUri": "Ungültige Weiterleitungs-URL"
+      "invalidRedirectUri": "Ungültige Weiterleitungs-URL",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "Diese Version der App wird nicht mehr unterstützt",
+          "description": "Aktualisiere die App auf die neueste Version und melde dich dann erneut an."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Fortfahren als",
diff --git a/src/app/i18n/locales/en.json b/src/app/i18n/locales/en.json
index fbb4140757..3ba18f090c 100644
--- a/src/app/i18n/locales/en.json
+++ b/src/app/i18n/locales/en.json
@@ -204,7 +204,13 @@
       "success": "You have successfully logged in",
       "error": "Login failed, please try again",
       "closeWindow": "You can close this window",
-      "invalidRedirectUri": "Invalid redirect URL"
+      "invalidRedirectUri": "Invalid redirect URL",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "This version of the app is no longer supported",
+          "description": "Update the app to the latest version, then log in again."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Continue as",
diff --git a/src/app/i18n/locales/es.json b/src/app/i18n/locales/es.json
index 770cc7c6bd..8865bd8224 100644
--- a/src/app/i18n/locales/es.json
+++ b/src/app/i18n/locales/es.json
@@ -183,7 +183,13 @@
       "success": "Has iniciado sesión correctamente",
       "error": "No se ha podido iniciar sesion, inténtelo de nuevo",
       "closeWindow": "Puedes cerrar esta ventana",
-      "invalidRedirectUri": "URL de redirección no válida"
+      "invalidRedirectUri": "URL de redirección no válida",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "Esta versión de la aplicación ya no es compatible",
+          "description": "Actualiza la aplicación a la última versión y vuelve a iniciar sesión."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Continuar como",
diff --git a/src/app/i18n/locales/fr.json b/src/app/i18n/locales/fr.json
index f8a13617bb..5753ec3659 100644
--- a/src/app/i18n/locales/fr.json
+++ b/src/app/i18n/locales/fr.json
@@ -183,7 +183,13 @@
       "success": "Vous vous êtes connecté avec succès",
       "error": "Échec de la connexion, veuillez réessayer",
       "closeWindow": "Vous pouvez fermer cette fenêtre",
-      "invalidRedirectUri": "URL de redirection invalide"
+      "invalidRedirectUri": "URL de redirection invalide",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "Cette version de l'application n'est plus prise en charge",
+          "description": "Mettez à jour l'application vers la dernière version, puis reconnectez-vous."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Continuer en tant que",
diff --git a/src/app/i18n/locales/it.json b/src/app/i18n/locales/it.json
index fa1241a4d2..bb0c5729af 100644
--- a/src/app/i18n/locales/it.json
+++ b/src/app/i18n/locales/it.json
@@ -204,7 +204,13 @@
       "success": "Accesso effettuato con successo",
       "error": "Impossibile accedere, riprova",
       "closeWindow": "Puoi chiudere questa finestra",
-      "invalidRedirectUri": "URL di reindirizzamento non valido"
+      "invalidRedirectUri": "URL di reindirizzamento non valido",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "Questa versione dell'app non è più supportata",
+          "description": "Aggiorna l'app all'ultima versione, quindi accedi di nuovo."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Continua come",
diff --git a/src/app/i18n/locales/pt.json b/src/app/i18n/locales/pt.json
index 8d8e292296..7fe8e1e1cf 100644
--- a/src/app/i18n/locales/pt.json
+++ b/src/app/i18n/locales/pt.json
@@ -204,7 +204,13 @@
       "success": "Você entrou com sucesso",
       "error": "Falha ao entrar, tente novamente",
       "closeWindow": "Você já pode fechar esta janela",
-      "invalidRedirectUri": "URL de redirecionamento inválida"
+      "invalidRedirectUri": "URL de redirecionamento inválida",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "Esta versão do aplicativo não é mais compatível",
+          "description": "Atualize o aplicativo para a versão mais recente e entre novamente."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Continuar como",
diff --git a/src/app/i18n/locales/ru.json b/src/app/i18n/locales/ru.json
index 772fe9d5da..a48ca4e7cb 100644
--- a/src/app/i18n/locales/ru.json
+++ b/src/app/i18n/locales/ru.json
@@ -183,7 +183,13 @@
       "success": "Вы успешно вошли в систему",
       "error": "Не удалось выполнить вход, попробуйте снова",
       "closeWindow": "Вы можете закрыть это окно",
-      "invalidRedirectUri": "Недействительный URL перенаправления"
+      "invalidRedirectUri": "Недействительный URL перенаправления",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "Эта версия приложения больше не поддерживается",
+          "description": "Обновите приложение до последней версии, затем войдите снова."
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "Продолжить как",
diff --git a/src/app/i18n/locales/tw.json b/src/app/i18n/locales/tw.json
index a3834c1f6b..80f1cbf2f8 100644
--- a/src/app/i18n/locales/tw.json
+++ b/src/app/i18n/locales/tw.json
@@ -204,7 +204,13 @@
       "success": "您已成功登入",
       "error": "無法登入，請再試一次",
       "closeWindow": "您可以關閉此視窗",
-      "invalidRedirectUri": "無效的重新導向網址"
+      "invalidRedirectUri": "無效的重新導向網址",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "此版本的應用程式已不再受支援",
+          "description": "請將應用程式更新至最新版本，然後再次登入。"
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "繼續使用",
diff --git a/src/app/i18n/locales/zh.json b/src/app/i18n/locales/zh.json
index 56304bd953..44e195cf8b 100644
--- a/src/app/i18n/locales/zh.json
+++ b/src/app/i18n/locales/zh.json
@@ -204,7 +204,13 @@
       "success": "您已成功登录",
       "error": "无法登录，请重试",
       "closeWindow": "您可以关闭此窗口",
-      "invalidRedirectUri": "无效的重定向网址"
+      "invalidRedirectUri": "无效的重定向网址",
+      "errors": {
+        "CLIENT_VERSION_UNSUPPORTED": {
+          "title": "此版本的应用已不再受支持",
+          "description": "请将应用更新到最新版本，然后重新登录。"
+        }
+      }
     },
     "oauthLink": {
       "continueAs": "继续使用",
diff --git a/src/views/Login/UniversalLinkErrorView.test.tsx b/src/views/Login/UniversalLinkErrorView.test.tsx
new file mode 100644
index 0000000000..c45e2efb49
--- /dev/null
+++ b/src/views/Login/UniversalLinkErrorView.test.tsx
@@ -0,0 +1,68 @@
+import { afterEach, describe, expect, test, vi } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import UniversalLinkErrorView from './UniversalLinkErrorView';
+
+vi.mock('app/i18n/provider/TranslationProvider', () => ({
+  useTranslationContext: () => ({ translate: (key: string) => key }),
+}));
+
+vi.mock('assets/icons/big-logo.svg?react', () => ({ default: () => <svg /> }));
+vi.mock('assets/icons/universal-link/warning.svg?react', () => ({ default: () => <svg /> }));
+
+const GENERIC_ERROR = 'auth.universalLink.error';
+const UNSUPPORTED_TITLE = 'auth.universalLink.errors.CLIENT_VERSION_UNSUPPORTED.title';
+const UNSUPPORTED_DESCRIPTION = 'auth.universalLink.errors.CLIENT_VERSION_UNSUPPORTED.description';
+
+const renderWithSearch = (search: string) => {
+  globalThis.history.replaceState({}, '', `/auth-link-error${search}`);
+  return render(<UniversalLinkErrorView />);
+};
+
+describe('Universal link error page', () => {
+  afterEach(() => {
+    globalThis.history.replaceState({}, '', '/');
+  });
+
+  test('When no reason is given, then the generic login error is shown', () => {
+    renderWithSearch('');
+
+    expect(screen.getByText(GENERIC_ERROR)).toBeInTheDocument();
+    expect(screen.queryByText(UNSUPPORTED_TITLE)).not.toBeInTheDocument();
+    expect(screen.getByText('auth.universalLink.closeWindow')).toBeInTheDocument();
+  });
+
+  test('When the client version is unsupported, then the specific title and description are shown', () => {
+    renderWithSearch('?reason=CLIENT_VERSION_UNSUPPORTED');
+
+    expect(screen.getByText(UNSUPPORTED_TITLE)).toBeInTheDocument();
+    expect(screen.getByText(UNSUPPORTED_DESCRIPTION)).toBeInTheDocument();
+    expect(screen.queryByText(GENERIC_ERROR)).not.toBeInTheDocument();
+    expect(screen.getByText('auth.universalLink.closeWindow')).toBeInTheDocument();
+  });
+
+  test('When the reason is unknown, then the generic login error is shown', () => {
+    renderWithSearch('?reason=SOMETHING_ELSE');
+
+    expect(screen.getByText(GENERIC_ERROR)).toBeInTheDocument();
+    expect(screen.queryByText(UNSUPPORTED_TITLE)).not.toBeInTheDocument();
+  });
+
+  test('When the query string carries markup or extra parameters, then none of it is rendered', () => {
+    const injectedReason = '<script>alert(1)</script>';
+    const injectedMessage = 'Run curl evil.example | sh';
+    const search = new URLSearchParams({
+      reason: injectedReason,
+      message: injectedMessage,
+      url: 'https://evil.example',
+    });
+
+    const { container } = renderWithSearch(`?${search.toString()}`);
+
+    expect(screen.getByText(GENERIC_ERROR)).toBeInTheDocument();
+    expect(screen.queryByText(UNSUPPORTED_TITLE)).not.toBeInTheDocument();
+    expect(container.querySelector('script')).toBeNull();
+    expect(container.innerHTML).not.toContain('alert(1)');
+    expect(container.innerHTML).not.toContain('evil.example');
+    expect(container.innerHTML).not.toContain('curl');
+  });
+});
diff --git a/src/views/Login/UniversalLinkErrorView.tsx b/src/views/Login/UniversalLinkErrorView.tsx
index ed99976a2b..6cb34a909b 100644
--- a/src/views/Login/UniversalLinkErrorView.tsx
+++ b/src/views/Login/UniversalLinkErrorView.tsx
@@ -3,8 +3,16 @@ import InternxtLogo from 'assets/icons/big-logo.svg?react';
 import WarningIcon from 'assets/icons/universal-link/warning.svg?react';
 import { isMobile } from 'react-device-detect';
 
+const KNOWN_REASONS = ['CLIENT_VERSION_UNSUPPORTED'] as const;
+type KnownReason = (typeof KNOWN_REASONS)[number];
+
+const isKnownReason = (value: string | null): value is KnownReason =>
+  value !== null && (KNOWN_REASONS as readonly string[]).includes(value);
+
 export default function UniversalLinkErrorView(): JSX.Element {
   const { translate } = useTranslationContext();
+  const reasonParam = new URLSearchParams(globalThis.location.search).get('reason');
+  const reason = isKnownReason(reasonParam) ? reasonParam : null;
 
   return (
     <main className="flex h-full w-full flex-col bg-gray-5 dark:bg-surface">
@@ -17,7 +25,18 @@ export default function UniversalLinkErrorView(): JSX.Element {
             <InternxtLogo className="h-auto w-52 text-gray-100" />
           </div>
           <WarningIcon className="mx-auto mt-6 mb-6 h-24 w-24" />
-          <h2 className="text-center text-xl font-medium text-gray-100">{translate('auth.universalLink.error')}</h2>
+          {reason ? (
+            <>
+              <h2 className="text-center text-xl font-medium text-gray-100">
+                {translate(`auth.universalLink.errors.${reason}.title`)}
+              </h2>
+              <p className="mt-2 text-center text-base text-gray-60">
+                {translate(`auth.universalLink.errors.${reason}.description`)}
+              </p>
+            </>
+          ) : (
+            <h2 className="text-center text-xl font-medium text-gray-100">{translate('auth.universalLink.error')}</h2>
+          )}
           <div className="separator my-6"></div>
           <div className="flex flex-row justify-center">
             <h4 className="text-base font-medium text-center">{translate('auth.universalLink.closeWindow')}</h4>