Low (3.1) in mattermost mattermost server. EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
3.1 low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)