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
{
"github_reviewed_at": "2026-02-19T19:34:32Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-863"
],
"nvd_published_at": "2026-02-16T10:16:07Z",
"severity": "MODERATE"
}