VULNERABILITY INTELLIGENCE
CVE-2026-0997
CVSS score4.3 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-02-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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 the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558
Weakness classification
- responsibledisclosure@mattermost.com: CWE-863
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory