{"id":"CVE-2025-2527","details":"Mattermost versions 10.5.x \u003c= 10.5.2, 9.11.x \u003c= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.","aliases":["GHSA-h356-3mfw-x368","GO-2025-3691"],"modified":"2026-04-10T05:23:14.489390Z","published":"2025-05-15T16:15:33.433Z","related":["openSUSE-SU-2025:15159-1"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"e4fe8d850b9e004bd83bde62b925c33c93a80304"},{"introduced":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"},{"fixed":"844447fbd57c8afc26431f7b200f44b02e0079cd"}],"database_specific":{"versions":[{"introduced":"9.11.0"},{"fixed":"9.11.12"},{"introduced":"10.5.0"},{"fixed":"10.5.3"}]}}],"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-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-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-2025-2527.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"}]}