CVE-2026-26304
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2 fail to verify run_create permission for empty playbookId, which allows team members to create unauthorized runs via the playbook run API. Mattermost Advisory ID: MMSA-2025-00542
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 11.3.0 <= 11.3.0 | affected |
| Mattermost | Mattermost | 11.2.0 <= 11.2.2 | affected |
| Mattermost | Mattermost | 11.4.0 | unaffected |
| Mattermost | Mattermost | 11.3.1 | unaffected |
| Mattermost | Mattermost | 11.2.3 | unaffected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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