CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.3. See the original NVD description below for full technical details.
CVE
CVE-2026-0998
Severity
MEDIUM
CVSS
4.3
EPSS
0.15%
Original NVD 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
Related CVEs
Other vulnerabilities affecting the same vendor(s)