Descripción
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in that channel via a cookie obtained from any accessible channel.. Mattermost Advisory ID: MMSA-2026-00690
CVSS 6.5EPSS 0.17500000000000002%Riesgo 0.66
Ver fuente- Publicación
- 2026-07-13 09:16:23
- Versiones afectadas
- <= 11.7.2, <= 11.6.4, <= 10.11.19
- Tipo
- Aplicación web
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N