CVE Watch29 de out. de 2026

CVE-2026-18795

Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to enforce DM/GM check on server side whic

CVSS

6.4

Média

EPSS

0.1%

KEV

—

Exploit Today

0-100

Publicado: 16 de out. de 2026 · Última mod.: 29 de out. de 2026 · CWE-862

EPSS · 30d

0.1%EPSS · 30 dias0.1%

2026-10-162026-11-06

Descrição técnica

Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756

Referências oficiais

mattermost.comhttps://mattermost.com/security-updates

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