CVE-2026-18795mediumCWE-862

CVE-2026-18795: fallo de gravedad media en Mattermost

Missing server side validation allowed user to quarantine a DM and GM post

Publicada el

Seguir esta CVE+ Monitorear Mattermost

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.4epss 0.1%
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
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Productos afectados
Mattermost · Mattermost
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