# Vercel Published the OAuth App ID From Its Breach. Now Anyone Can Check If They Were Exposed. - Date: 2026-04-21 - Category: Agentics For the first time in a major AI vendor breach, a company published the OAuth app ID, so admins can check if it reached their org. Vercel says only non-sensitive config values were taken. Whether they will actually run the check is the question left open. ---