{"id":"CVE-2017-20146","details":"Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.","aliases":["GHSA-jcr6-mmjj-pchw","GO-2020-0020"],"modified":"2026-03-15T22:15:39.153472Z","published":"2022-12-27T22:15:11.070Z","references":[{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2020-0020"},{"type":"FIX","url":"https://github.com/gorilla/handlers/commit/90663712d74cb411cbef281bc1e08c19d1a76145"},{"type":"FIX","url":"https://github.com/gorilla/handlers/pull/116"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gorilla/handlers","events":[{"introduced":"0"},{"fixed":"90663712d74cb411cbef281bc1e08c19d1a76145"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.3.0"}]}}],"versions":["v1.1","v1.2","v1.2.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-20146.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}