Descripción
Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669
CVSS 3.8EPSS 0.318%Riesgo 0.39
Ver fuente- Publicación
- 2026-06-22 16:16:42
- Versiones afectadas
- <=11.7.0, <=10.11.17
- Tipo
- Aplicación web
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L