pentester.land· Nov 10, 2022· by Joern Schneeweisz

How Sigstore quickly patched an upstream vulnerability

Open Original Article ↗
Target Program: Sigstore, dex
🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass
💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.
#OAuth#Account takeover#Phishing