{"action":"Upgrade github.com/mattermost/mattermost-server to 3.7.5+incompatible or later.","affected":[{"fixed":"3.7.5+incompatible","introduced":"3.7.0+incompatible"},{"fixed":"3.8.2+incompatible","introduced":"3.8.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18916"],"ecosystem":"Go","epss":0.00775,"exploited":false,"fixed_versions":["3.7.5+incompatible","3.8.2+incompatible"],"ghsa_id":"GHSA-x33g-375j-jhf7","id":"tcs_01M5KGDX4NYYSXARHZYPRW4KZQ","modified_at":"2026-02-19T20:41:25.929940Z","published_at":"2026-02-17T18:09:06Z","references":["https://osv.dev/vulnerability/GO-2026-4467","https://github.com/advisories/GHSA-x33g-375j-jhf7","https://nvd.nist.gov/vuln/detail/CVE-2017-18916","https://github.com/mattermost/mattermost/commit/0968e4079e0aa670254f3fe3a7248d126e3cf877","https://github.com/mattermost/mattermost/commit/b74e85653660525d351d090a1e1874ae933bcbc8","https://github.com/mattermost/mattermost/commit/fb325cc339eb8d8efb60dbadc48fd38897201c6f","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4467","url":"https://osv.dev/vulnerability/GO-2026-4467"}],"summary":"Mattermost Server has Improper Authorization for Integration Requests in github.com/mattermost/mattermost-server"}