{"id":"CVE-2025-4128","details":"Mattermost versions 10.5.x \u003c= 10.5.4, 9.11.x \u003c= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}.","aliases":["GHSA-jwhw-xf5v-qgxc","GO-2025-3757"],"modified":"2026-04-10T05:26:28.875317Z","published":"2025-06-11T11:15:23.143Z","related":["openSUSE-SU-2025:15225-1"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"97e6d3231a80107e0c9098f22617900d78c3a1c8"},{"introduced":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"},{"fixed":"3109688e8c8da24b289092a4b2d13e7eaff0db9a"}],"database_specific":{"versions":[{"introduced":"9.11.0"},{"fixed":"9.11.14"},{"introduced":"10.5.0"},{"fixed":"10.5.5"}]}}],"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","v10.5.2","v10.5.3","v10.5.3-rc1","v10.5.4","v10.5.4-rc1","v10.5.4-rc2","v10.5.5-rc1","v9.11.0","v9.11.0-rc3","v9.11.1","v9.11.1-rc1","v9.11.10","v9.11.10-rc1","v9.11.11","v9.11.11-rc1","v9.11.12","v9.11.12-rc1","v9.11.13","v9.11.13-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-2025-4128.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}