Description
Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to properly validate CSRF tokens in the /api/v4/access_control_policies/{policy_id}/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a crafted request.. Mattermost Advisory ID: MMSA-2026-00578
CVSS 4.6EPSS 0.123%Risk 0.47
View source- Published
- 2026-03-25 17:16:56
- Affected versions
- <= 11.4.0, <= 11.3.1, <= 11.2.2, <= 10.11.10
- Type
- Core software
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N