pentester.land· Nov 1, 2020· by Lauritz Holtmann (@_lauritz_)🔍 CVE-2020-13294

CVE-2020-13294

Target Program: GitLab

🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass

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

#Broken authentication#OIDC#OAuth#CVE-2020-13294