CVE-2025-3446 — Members Without Guest Invite Permissions Can Add Guests to Teams
Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have …
Published: 2025-05-15 · CVSS: 4.3 · CVSS 3.1
Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7