Description
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
Problem types
CWE-862: Missing Authorization
Product status
11.1.0 (semver)
10.11.0 (semver)
11.2.0 (semver)
11.3.0
11.1.3
10.11.10
11.2.2
Credits
daw10
References
mattermost.com/security-updates (MMSA-2025-00534)