{"action":"Upgrade github.com/mattermost/mattermost-server to 3.6.5+incompatible or later.","affected":[{"fixed":"3.6.5+incompatible","introduced":"0"},{"fixed":"3.7.3+incompatible","introduced":"3.7.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18918"],"ecosystem":"Go","epss":0.00459,"exploited":false,"fixed_versions":["3.6.5+incompatible","3.7.3+incompatible"],"ghsa_id":"GHSA-5ghq-28r7-qwfj","id":"tcs_01M5KGDVTDAR73VRZTJ4MQPYDX","modified_at":"2026-02-19T20:41:26.217785Z","published_at":"2026-02-17T18:09:06Z","references":["https://osv.dev/vulnerability/GO-2026-4460","https://github.com/advisories/GHSA-5ghq-28r7-qwfj","https://nvd.nist.gov/vuln/detail/CVE-2017-18918","https://github.com/mattermost/mattermost/commit/8ec37570742b67fd640bb3434ea226c655dbf408","https://github.com/mattermost/mattermost/commit/a12e7fdca439948ab097431d68e8f59778fbab81","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4460","url":"https://osv.dev/vulnerability/GO-2026-4460"}],"summary":"Mattermost Server does not restrict SAML certificate path for System Administrators in github.com/mattermost/mattermost-server"}