{"id":"CVE-2025-27538","details":"Mattermost versions 10.5.x \u003c= 10.5.1, 9.11.x \u003c= 9.11.9 fail to enforce MFA checks in PUT /api/v4/users/user-id/mfa when the requesting user differs from the target user ID, which allows users with edit_other_users permission to activate or deactivate MFA for other users, even if those users have not set up MFA.","aliases":["GHSA-j5jw-m2ph-3jjf","GO-2025-3620"],"modified":"2026-04-10T05:24:10.200146Z","published":"2025-04-16T08:15:14.217Z","related":["CGA-jfv6-j93j-q3xv","openSUSE-SU-2025:15017-1"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"66f75be4b099a46587a044cdadc3693671271166"},{"introduced":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"},{"fixed":"09ccf277a61f68bdbf2453c987af463ed29d6376"}],"database_specific":{"versions":[{"introduced":"9.11.0"},{"fixed":"9.11.10"},{"introduced":"10.5.0"},{"fixed":"10.5.2"}]}}],"versions":["@mattermost/client@10.5.0","@mattermost/client@9.11.0","@mattermost/types@10.5.0","@mattermost/types@9.11.0","v10.5.0","v10.5.0-rc6","v10.5.1","v10.5.1-rc1","v10.5.1-rc2","v9.11.0","v9.11.0-rc3","v9.11.1","v9.11.1-rc1","v9.11.10-rc1","v9.11.2","v9.11.2-rc1","v9.11.2-rc2","v9.11.3","v9.11.3-rc1","v9.11.3-rc2","v9.11.4","v9.11.4-rc1","v9.11.5","v9.11.5-rc1","v9.11.6","v9.11.6-rc1","v9.11.6-rc2","v9.11.7","v9.11.7-rc1","v9.11.7-rc2","v9.11.7-rc3","v9.11.8","v9.11.9","v9.11.9-rc1","v9.11.9-rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27538.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"}]}