CVE-2026-3115

MEDIUM

4.3

Descricao

Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint.. Mattermost Advisory ID: MMSA-2026-00594

Detalhes CVE

Pontuacao CVSS v3.14.3

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado3/26/2026

Ultima modificacao3/30/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

mattermost:mattermost_server

Fraquezas (CWE)

CWE-863

Referencias

https://mattermost.com/security-updates(responsibledisclosure@mattermost.com)

Correlacoes IOC

Sem correlacoes registradas

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