medium.com/tag/bug-bounty· Oct 21, 2026· by Affanhaxor

JAuth : CyLab Security Academy CTF Write-Up | Understanding JWT Authentication

Open Original Article ↗
Introduction 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'.
#ctf#web-security#jwt#bug-bounty#cybersecurity