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6.5 Moyenne

CVE-2026-102275 PyJWT is a Python implementation of JSON Web Token standards

Description

PyJWT is a Python implementation of JSON Web Token standards. From 2.1.0 until 2.15.0, PyJWT OKPAlgorithm.from_jwk in jwt/algorithms.py is affected because private-JWK import path does not compare the public key derived from d with x. This occurs when an OKP private JWK supplies non-corresponding x and d components. As a result, identity derived from x can differ from operations performed with d. Consequently, if an integration also accepts private key parameters from a proof header without rejecting them, an attacker may use a stolen sender-constrained token without the legitimate private key. This issue is fixed in version 2.15.0.

Produits et versions touchés

Produit Versions touchées Corrigé en
pyjwt 2.1 2.1.0 → < 2.15.0 2.15.0

Références

Chronologie

  1. Publiée
  2. Dernière modification
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