medium.com/tag/infosec· Aug 5, 2026· by h@shtalk

The OAuth token that outlived three employees

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A short horror story about a credential nobody killed, and the offboarding gap almost every organization has Continue reading on Medium »
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.
#infosec#cybersecurity#oauth#security