CVE-2026-28431

HIGH

7.5

Descricao

Misskey is an open source, federated social media platform. All Misskey servers running versions 8.45.0 and later, but prior to 2026.3.1, contain a vulnerability that allows bad actors access to data that they ordinarily wouldn't be able to access due to insufficient permission checks and proper input validation. This vulnerability occurs regardless of whether federation is enabled or not. This vulnerability could lead to a significant data breach. This vulnerability is fixed in 2026.3.1.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/10/2026

Ultima modificacao3/13/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

misskey:misskey

Fraquezas (CWE)

CWE-285

Referencias

https://github.com/misskey-dev/misskey/security/advisories/GHSA-r33c-qg3g-v9cr(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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