CVE-2026-96760

EUVD-2026-88465
Authlib (v1.7.2 and below) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
certccCNA
UNKNOWN
---
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
authlibauthlib
1.7.2
CNA
References
https://github.com/authlib/authlib
https://kb.cert.org/vuls/id/762428
https://www.kb.cert.org/vuls/id/762428