Pubblicato il 2026-09-28 · Fonte: NVD NIST
PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, is_pem_format in jwt/utils.py is affected because is_pem_format does not recognize every PEM representation accepted by the cryptography loader. This occurs when an application mixes HMAC and asymmetric algorithms and supplies a mutated public-key PEM as raw key bytes. As a result, HMACAlgorithm.prepare_key treats the unrecognized asymmetric public key as an HMAC secret. Consequently, an attacker who knows the public
Vulnerabilità con punteggio CVSS 9.1 (CRITICAL). Sfruttata attivamente: No.
Vendor: N/A
Prodotti: N/A
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