CVE-2026-101917

PyJWT is a Python implementation of JSON Web Token standards.

Pyjwt

PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT get_signing_key_from_jwt is affected because unknown kid misses force refreshes without a negative cache or minimum refresh interval. This occurs when unauthenticated tokens repeatedly use the same unknown kid or varying kid values absent from the cached JWKS. As a result, each cache miss causes PyJWKClient to refresh the JWKS. Consequently, attacker traffic can amplify outbound requests to…

28. Sep 2026

Ausgewertete Quellen

• NVD
  CVE-2026-101917
• GitHub
  https://github.com/jpadilla/pyjwt/security/advisories/GHSA-2gx3-rcp4-g85q