Description
Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Affected products
- Mattermost / Mattermost11.7.0 – 11.7.0
- Mattermost / Mattermost10.11.0 – 10.11.17
- Mattermost / Mattermost11.8.0 – 11.8.0
- Mattermost / Mattermost11.7.1 – 11.7.1
- Mattermost / Mattermost10.11.18 – 10.11.18