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Authlib: JWS/JWT accepts unknown crit headers (RFC violation → possible authz bypass)

🗓️ 22 Sep 2025 14:42:12Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 11 Views

Authlib JWS.deserialize_compact accepts unknown critical headers, violating RFC and enabling bypass.

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03 Nov 2025 18:32Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00015
SSVC
11