Episode 169: Attacking OAuth 2.1

Episode 169: In this episode of Critical Thinking - Bug Bounty Podcast gr3pme goes over some of the changes from OAuth 2.0 vs 2.1 and how Hackers can capitalize.

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====== Links ======
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====== This Week in Bug Bounty ======

Intigriti is providing free Burp Pro for Hackers!
intigriti.com/blog/news/intigriti-collaborates…

====== Resources ======
Django-allauth Account Takeover (ZeroPath Audit)
zeropath.com/blog/django-allauth-account-takeo…

CVE-2025-4144: Cloudflare Workers PKCE Bypass
github.com/cloudflare/workers-oauth-provider/s…

CVE-2025-54576: OAuth2-Proxy Auth Bypass
zeropath.com/blog/cve-2025-54576-oauth2-proxy-…

====== Timestamps ======
(00:00:00) Introduction
(00:02:16) OAuth 2.0 Standards
(00:12:08) Agent to Agent Communication
(00:17:19) CVE Case studies