Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
CVE ID: CVE-2025-22449
CVSS Base Severity: LOW
CVSS Base Score: 3.8
Vendor: Mattermost
Product: Mattermost
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.48% (scored less or equal to compared to others)
EPSS Date: 2025-02-07 (when was this score calculated)