{"id":"GO-2025-3751","summary":"Sensitive headers not cleared on cross-origin redirect in net/http","details":"Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.","aliases":["BIT-golang-2025-4673","CVE-2025-4673"],"modified":"2026-04-24T06:41:17.447816643Z","published":"2025-06-11T16:23:58Z","related":["CGA-r7wp-pwcp-2fxh","RHSA-2025:10672","RHSA-2025:10676","RHSA-2025:10677","RHSA-2025:15406","RHSA-2025:15887","RHSA-2025:16432"],"database_specific":{"review_status":"REVIEWED","url":"https://pkg.go.dev/vuln/GO-2025-3751"},"references":[{"type":"FIX","url":"https://go.dev/cl/679257"},{"type":"REPORT","url":"https://go.dev/issue/73816"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A"}],"affected":[{"package":{"name":"stdlib","ecosystem":"Go","purl":"pkg:golang/stdlib"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.23.10"},{"introduced":"1.24.0-0"},{"fixed":"1.24.4"}]}],"ecosystem_specific":{"imports":[{"path":"net/http","symbols":["Client.Do","Client.Get","Client.Head","Client.Post","Client.PostForm","Client.makeHeadersCopier","Get","Head","Post","PostForm"]}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2025-3751.json"}}],"schema_version":"1.7.5","credits":[{"name":"Takeshi Kaneko (GMO Cybersecurity by Ierae, Inc.)"}]}