CVE-2026-6541
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 11.7.x <= 11.7.1, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict metric configuration changes to the playbook being saved, which allows an authenticated user with team access to alter another user’s playbook metric settings via a crafted import or update request with a foreign metric ID. Mattermost Advisory ID: MMSA-2026-00653
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 11.7.0 <= 11.7.1 | affected |
| Mattermost | Mattermost | 11.6.0 <= 11.6.4 | affected |
| Mattermost | Mattermost | 10.11.0 <= 10.11.19 | affected |
| Mattermost | Mattermost | 11.8.0 | unaffected |
| Mattermost | Mattermost | 11.7.2 | unaffected |
| Mattermost | Mattermost | 11.6.5 | unaffected |
| Mattermost | Mattermost | 10.11.20 | unaffected |
Weaknesses
- CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.