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CVE-2026-6966

MEDIUM

5.3

Descricao

Improper verification of cryptographic signature uniqueness in delegated role validation in awslabs/tough before tough-v0.22.0 allows remote authenticated users to bypass the TUF signature threshold requirement by duplicating a valid signature, causing the client to accept forged delegated role metadata. We recommend you upgrade to tough-v0.22.0 / tuftool-v0.15.0.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado4/24/2026

Ultima modificacao4/24/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-347

Referencias

https://aws.amazon.com/security/security-bulletins/2026-019-aws/(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://crates.io/crates/tough/0.22.0(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://crates.io/crates/tuftool/0.15.0(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/awslabs/tough/releases/tag/tough-v0.22.0(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/awslabs/tough/releases/tag/tuftool-v0.15.0(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/awslabs/tough/security/advisories/GHSA-8m7c-8m39-rv4x(ff89ba41-3aa1-4d27-914a-91399e9639e5)

Correlacoes IOC

Sem correlacoes registradas

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