{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18912"],"ecosystem":"Go","epss":0.01387,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-m2ch-x2q7-2284","id":"tcs_01M5KGE1MW615V1K051QXDAS6R","modified_at":"2026-02-19T20:41:18.782764Z","published_at":"2026-02-17T18:09:06Z","references":["https://osv.dev/vulnerability/GO-2026-4487","https://github.com/advisories/GHSA-m2ch-x2q7-2284","https://nvd.nist.gov/vuln/detail/CVE-2017-18912","https://github.com/mattermost/mattermost/commit/0b5c0794fdcbb551c1233dcdfbdf5c7deb585fd6","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4487","url":"https://osv.dev/vulnerability/GO-2026-4487"}],"summary":"Mattermost Server allows an attacker to specify a full pathname of a log file in github.com/mattermost/mattermost-server"}