3.7
Faible
CVE-2026-48524 PyJWT is a JSON Web Token implementation in Python
Description
PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient.get_signing_key() forces a fresh HTTP request to the JWKS endpoint for every JWT with an unknown kid value, with no rate limiting. Since kid comes from the unverified token header, an attacker can trigger unlimited outbound requests. The vulnerability surfaces only when a JWKS fetch fails; an attacker can attempt to provoke that with sustained unknown-kid traffic, but the outcome depends on upstream JWKS-endpoint behavior (rate limiting, transient errors) which is beyond the attacker's control. This vulnerability is fixed in 2.13.0.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| pyjwt 2.13 | premières → < 2.13.0 | 2.13.0 |
Références
- 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