← Voltar para CVEs

CVE-2026-6550

MEDIUM

4.7

Descricao

Cryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local threat actor to bypass key commitment policy enforcement via a shared key cache, resulting in ciphertext that can be decrypted to multiple different plaintexts. To remediate this issue, users should upgrade to version 3.3.1, 4.0.5 or above.

Detalhes CVE

Pontuacao CVSS v3.14.7

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado4/20/2026

Ultima modificacao4/21/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-757

Referencias

https://aws.amazon.com/security/security-bulletins/2026-017-aws/(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/aws-encryption-sdk-python/releases/tag/v3.3.1(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/aws-encryption-sdk-python/releases/tag/v4.0.5(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/aws-encryption-sdk-python/security/advisories/GHSA-v638-38fc-rhfv(ff89ba41-3aa1-4d27-914a-91399e9639e5)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.