CVE-2026-26230

LOW

3.8

Descricao

Mattermost versions 10.11.x <= 10.11.10 fail to properly validate permission requirements in the team member roles API endpoint which allows team administrators to demote members to guest role. Mattermost Advisory ID: MMSA-2025-00531

Detalhes CVE

Pontuacao CVSS v3.13.8

SeveridadeLOW

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado3/16/2026

Ultima modificacao3/18/2026

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

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