{"action":"Upgrade github.com/mattermost/mattermost-server to 4.1.2-0.20171004201910-6be8113eb60c or later.","affected":[{"fixed":"4.1.2-0.20171004201910-6be8113eb60c","introduced":"0"},{"fixed":"4.2.1-0.20171004194140-6d3cb2ce07fc","introduced":"4.2.0-rc1.0.20171004154238-fadd9514f6e7"},{"fixed":"4.3.0","introduced":"4.3.0-rc1"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18876"],"ecosystem":"Go","epss":0.00869,"exploited":false,"fixed_versions":["4.1.2-0.20171004201910-6be8113eb60c","4.2.1-0.20171004194140-6d3cb2ce07fc","4.3.0"],"ghsa_id":"GHSA-hjqh-j6rj-gh8q","id":"tcs_01M5KFCPX3FVGZ82HKTR8W864E","modified_at":"2025-12-09T17:42:41.654181Z","published_at":"2022-05-24T17:21:03Z","references":["https://osv.dev/vulnerability/GHSA-hjqh-j6rj-gh8q","https://nvd.nist.gov/vuln/detail/CVE-2017-18876","https://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086","https://github.com/mattermost/mattermost/commit/6d3cb2ce07fc799832081e93843b405b390057fa","https://github.com/mattermost/mattermost/commit/fadd9514f6e71590aba781a7035e1de4150137b0","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-hjqh-j6rj-gh8q","url":"https://osv.dev/vulnerability/GHSA-hjqh-j6rj-gh8q"}],"summary":"Mattermost Server is vulnerable to Path Traversal when files are stored locally"}