{"action":"Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250520060012-d0380305ef7a or later.","affected":[{"fixed":"8.0.0-20250520060012-d0380305ef7a","introduced":"0"}],"component":"github.com/mattermost/mattermost/server/v8","cve_ids":["CVE-2025-3227"],"ecosystem":"Go","epss":0.00246,"exploited":false,"fixed_versions":["8.0.0-20250520060012-d0380305ef7a"],"ghsa_id":"GHSA-qwwm-c582-82rx","id":"tcs_01M5KG93HFRVY3NJ0TSXCY3H0Q","modified_at":"2026-03-03T04:56:41.644912Z","published_at":"2025-07-28T19:57:13Z","references":["https://osv.dev/vulnerability/GO-2025-3772","https://github.com/advisories/GHSA-qwwm-c582-82rx","https://nvd.nist.gov/vuln/detail/CVE-2025-3227","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GO-2025-3772#Go/github.com/mattermost/mattermost/server/v8","url":"https://osv.dev/vulnerability/GO-2025-3772"},{"source":"nvd","source_id":"CVE-2025-3227","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3227"}],"summary":"Mattermost allows unauthorized channel member management through playbook runs in github.com/mattermost/mattermost-server"}