{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"6.7.2"}],"component":"github.com/mattermost/mattermost-server/v6","cve_ids":["CVE-2025-53971"],"ecosystem":"Go","epss":0.00203,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-4276-cm8c-788h","id":"tcs_01M5KEVM70XYMKFR6CZJSRSQA1","modified_at":"2025-08-29T20:57:09Z","published_at":"2025-08-21T09:30:21Z","references":["https://osv.dev/vulnerability/GHSA-4276-cm8c-788h","https://nvd.nist.gov/vuln/detail/CVE-2025-53971","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates","https://pkg.go.dev/vuln/GO-2025-3902"],"severity":{"label":"low","score":3.8},"sources":[{"source":"osv","source_id":"GHSA-4276-cm8c-788h#Go/github.com/mattermost/mattermost-server/v6","url":"https://osv.dev/vulnerability/GHSA-4276-cm8c-788h"}],"summary":"Mattermost Fails to Properly Validate Team Role Modification"}