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
Severity (CVSS)
| Base score | 3.8 |
|---|---|
| Severity | Low |
| Version | CVSS 3.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L |
| Provided by | CNA |
Weaknesses
- CWE-863 — CWE-863: Incorrect Authorization
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 11.7.0 to <=11.7.0; 10.11.0 to <=10.11.17; 11.8.0; 11.7.1; 10.11.18 |
References
- https://mattermost.com/security-updates (vendor-advisory)
Generated from the official CVE List on 22 Jun 2026 14:43 UTC.