{"schema_version":"1.9.0","id":"CVE-2025-3227","published":"2025-06-20T14:31:48.644Z","modified":"2026-08-27T03:30:54.434683475Z","aliases":["GHSA-qwwm-c582-82rx","GO-2025-3772"],"related":["openSUSE-SU-2025:15405-1"],"summary":"Unauthorized channel member management through playbook runs","details":"Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"96fdd2b677f28d1375df8dfa88bbc519f32bb3b6"},{"introduced":"58bd34fd34cbd7d3da777d627b6cffdf8a532930"},{"fixed":"2c4a9f9d49d9a6aa94b073e8871ff67e95f8984e"},{"introduced":"5eebc77b68c0c2b63103316e3c92342c13fd93f9"},{"fixed":"303cb88e93f0426657feb473b323d9e22dc0e43c"},{"introduced":"f6b324a9d71843e8f48eba9e90dfbeabcbac1ae7"},{"fixed":"5521da96cf8e84ff3f249ff0e3599d131c05e850"},{"introduced":"bb105f3a2785636ad53b2d0bf4027900d41f6a67"},{"last_affected":"b310742ad7ce8492533bdc764126a44c315ff7d6"}],"database_specific":{"cpe":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.8.0:-:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc3:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc1:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc2:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.11.0"},{"fixed":"9.11.16"},{"introduced":"10.5.0"},{"fixed":"10.5.6"},{"introduced":"10.6.0"},{"fixed":"10.6.6"},{"introduced":"10.7.0"},{"fixed":"10.7.3"},{"introduced":"10.8.0-NA"},{"last_affected":"10.8.0-NA"},{"introduced":"10.8.0-rc3"},{"last_affected":"10.8.0-rc3"},{"introduced":"10.8.0-rc1"},{"last_affected":"10.8.0-rc1"},{"introduced":"10.8.0-rc2"},{"last_affected":"10.8.0-rc2"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["10.8.0-NA","10.8.0-rc1","10.8.0-rc2","v10.6.5","v10.7.2","v10.6.4","v10.6.4-rc1","v10.7.2-rc1","v9.11.15","v10.5.5","v10.5.5-rc1","v9.11.14","v10.6.3","v10.5.4-rc2","v10.5.4","v9.11.13","v10.6.3-rc1","v10.5.4-rc1","v9.11.13-rc1","v10.7.1","v10.6.2","v10.5.3","v9.11.12","v10.5.3-rc1","v10.6.2-rc1","v9.11.12-rc1","v10.7.0-rc2","v10.7.0","mattermost-redux@10.7.0","@mattermost/types@10.7.0","@mattermost/client@10.7.0","v9.11.11-rc1","v9.11.11","v9.11.10","v10.5.2","v10.6.1","v10.6.0-rc3","v10.6.0","mattermost-redux@10.6.0","@mattermost/types@10.6.0","@mattermost/client@10.6.0","v9.11.10-rc1","v9.11.9","v10.5.1","v10.5.1-rc2","v10.5.1-rc1","v9.11.9-rc2","v9.11.9-rc1","v10.5.0-rc6","v10.5.0","@mattermost/types@10.5.0","@mattermost/client@10.5.0","v9.11.8","v9.11.7-rc3","v9.11.7","v9.11.7-rc2","v9.11.7-rc1","v9.11.6","v9.11.6-rc2","v9.11.6-rc1","v9.11.5","v9.11.5-rc1","v9.11.4","v9.11.4-rc1","v9.11.3","v9.11.3-rc2","v9.11.3-rc1","v9.11.2","v9.11.2-rc2","v9.11.2-rc1","v9.11.1-rc1","v9.11.1","v9.11.0-rc3","v9.11.0","@mattermost/types@9.11.0","@mattermost/client@9.11.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-3227.json"}}],"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3227.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3227"}],"database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3227.json","unresolved_ranges":[{"extracted_events":[{"introduced":"10.5.0"},{"last_affected":"10.5.5"},{"introduced":"9.11.0"},{"last_affected":"9.11.15"},{"introduced":"10.8.0"},{"last_affected":"10.8.0"},{"introduced":"10.7.0"},{"last_affected":"10.7.2"},{"introduced":"10.6.0"},{"last_affected":"10.6.5"}],"source":"AFFECTED_FIELD"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}