{"cve":"CVE-2022-1705","nvd":{"published":"2022-08-10T20:15:25.353","modified":"2026-06-17T04:22:57.230","status":"Modified","description":"Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-444"],"references":["https://go.dev/cl/409874","https://go.dev/cl/410714","https://go.dev/issue/53188","https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f","https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE"],"products":["golang:go"],"source":"nvd","synced_at":"2026-10-19T21:34:18.502168378+00:00"},"epss":{"cve":"CVE-2022-1705","score":0.01531,"percentile":0.74768,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GO-2022-0525","url":"https://osv.dev/vulnerability/GO-2022-0525","summary":"Improper sanitization of Transfer-Encoding headers in net/http","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"stdlib","purl":"pkg:golang/stdlib","ranges":["<1.17.12",">=1.18.0-0 <1.18.4"],"fixed":["1.17.12","1.18.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}