CVE-2023-3584 Member can create team with team override scheme

Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme...

CVE-2023-3584

Mattermost CVE-2023-3584 affects the POST /api/v4/teams endpoint. The root cause is improper authorization checks when a team override scheme ID is supplied, enabling an authenticated attacker who knows a valid Team Override Scheme ID to create a new team using that scheme. Documents consistently...