pentester.land· Feb 13, 2023· by Ophion Security (@OphionSecurity)

Hacking our way into internal DBs with hardcoded authentication keys

Target Program: -

🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass

💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.

#JWT#SSO#Authentication bypass#Security misconfiguration