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RubyGems: Server-side ReDoS via user-controlled regex in OIDC Access Policy

🗓️ 06 Feb 2026 21:22:59Reported by 6b_jjjType 
hackerone
 hackerone
🔗 hackerone.com👁 6 Views

OIDC Access Policy uses user supplied regex with no timeout, enabling server-side regular-expression abuse on JSON Web Token claims.

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26 Mar 2026 09:31Current
5.8Medium risk
Vulners AI Score5.8
6