Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to enforce MFA on plugin endpoints, which allows authenticated attackers to bypass MFA protections via API requests to plugin-specific routes.
{
"severity": "HIGH",
"github_reviewed": true,
"cwe_ids": [
"CWE-306"
],
"nvd_published_at": "2025-03-21T09:15:12Z",
"github_reviewed_at": "2025-03-21T21:25:27Z"
}