{"schema_version":"1.7.3","id":"GHSA-qwwm-c582-82rx","published":"2025-06-20T15:30:38Z","modified":"2025-07-28T20:42:05.140259Z","aliases":["CVE-2025-3227","GO-2025-3772"],"summary":"Mattermost allows 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":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.0-20250520060012-d0380305ef7a"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20250520060012-d0380305ef7a"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.5.0"},{"fixed":"10.5.6"}]}],"database_specific":{"last_known_affected_version_range":"<= 10.5.5","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.11.0"},{"fixed":"9.11.16"}]}],"database_specific":{"last_known_affected_version_range":"<= 9.11.15","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.8.0"},{"fixed":"10.8.1"}]}],"versions":["10.8.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.7.0"},{"fixed":"10.7.3"}]}],"database_specific":{"last_known_affected_version_range":"<= 10.7.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.6.0"},{"fixed":"10.6.6"}]}],"database_specific":{"last_known_affected_version_range":"<= 10.6.5","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-qwwm-c582-82rx/GHSA-qwwm-c582-82rx.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3227"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"cwe_ids":["CWE-863"],"github_reviewed":true,"github_reviewed_at":"2025-06-20T18:08:17Z","nvd_published_at":"2025-06-20T15:15:20Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}