← Retour à la recherche de CVE

CVE-2026-9859

Mattermost

Description

Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fail to enforce PermissionManageBoardRoles on the channelId field of the batch endpoint, which allows an authenticated board editor to relink any board they can edit to an arbitrary channel via a crafted PATCH request. Mattermost Advisory ID: MMSA-2026-00686

CVSS 6.5EPSS 0.253%Risque 0.66
Voir la source
Publication
2026-08-17 22:17:27
Versions concernées
<=11.7.6, <=10.11.21, <=11.8.3
Type
Application web
Dernière modification
2026-08-19 13:28:57
Vecteur
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N