CVE-2026-32597

HIGH

7.5

Descricao

PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit (Critical) Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting it. This violates the MUST requirement in the RFC. This vulnerability is fixed in 2.12.0.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/13/2026

Ultima modificacao3/19/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

pyjwt_project:pyjwt

Fraquezas (CWE)

CWE-345CWE-863

Referencias

https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f(security-advisories@github.com)

https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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