9.1
Critique
CVE-2026-102268 PyJWT is a Python implementation of JSON Web Token standards
Description
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 key can forge authenticated HMAC tokens. This issue is fixed in version 2.14.0.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| pyjwt 2.14 | premières → < 2.14.0 | 2.14.0 |
Références
- github.com github.com
- github.com github.com
- github.com github.com
Chronologie
- Publiée
- Dernière modification
Autres CVE de pyjwt
Les 22 CVE de pyjwt →
CVE-2026-103001
PyJWT is a Python implementation of JSON Web Token standards
6.5
Moyenne
CVE-2026-102265
PyJWT is a Python implementation of JSON Web Token standards
5.3
Moyenne
CVE-2026-102275
PyJWT is a Python implementation of JSON Web Token standards
6.5
Moyenne
CVE-2026-102274
PyJWT is a Python implementation of JSON Web Token standards
5.9
Moyenne