CVE-2026-0998
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate user identity and post ownership in the {{/api/v1/askPMI}} endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via direct API calls with manipulated user IDs and post data.. Mattermost Advisory ID: MMSA-2025-00534
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 11.1.0 <= 11.1.2 | affected |
| Mattermost | Mattermost | 10.11.0 <= 10.11.9 | affected |
| Mattermost | Mattermost | 11.2.0 <= 11.2.1 | affected |
| Mattermost | Mattermost | 11.3.0 | unaffected |
| Mattermost | Mattermost | 11.1.3 | unaffected |
| Mattermost | Mattermost | 10.11.10 | unaffected |
| Mattermost | Mattermost | 11.2.2 | unaffected |
Weaknesses
- CWE-862: CWE-862: Missing Authorization
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.