Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the "Add Members" permission was explicitly removed from team admins.
{
"nvd_published_at": "2024-04-05T09:15:09Z",
"github_reviewed_at": "2024-04-05T17:04:41Z",
"cwe_ids": [
"CWE-284"
],
"severity": "MODERATE",
"github_reviewed": true
}