{"id":"CVE-2025-4673","state":"PUBLISHED","title":"Sensitive headers not cleared on cross-origin redirect in net/http","description":"Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.","publishedAt":"2025-06-11T16:42:53.054Z","updatedAt":"2025-06-11T17:59:48.033Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"Go","products":["Go standard library net/http"],"affected":[{"vendor":"Go standard library","product":"net/http","packageName":"net/http","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.23.10","versionType":"semver"},{"version":"1.24.0-0","status":"affected","lessThan":"1.24.4","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"Client.makeHeadersCopier"},{"name":"Client.Do"},{"name":"Client.Get"},{"name":"Client.Head"},{"name":"Client.Post"},{"name":"Client.PostForm"},{"name":"Get"},{"name":"Head"},{"name":"Post"},{"name":"PostForm"}]}],"references":["https://go.dev/cl/679257","https://go.dev/issue/73816","https://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A","https://pkg.go.dev/vuln/GO-2025-3751"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/4xxx/CVE-2025-4673.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-4673","state":"PUBLISHED","datePublished":"2025-06-11T16:42:53.054Z","dateUpdated":"2025-06-11T17:59:48.033Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2025-05-13T23:30:53.327Z"},"containers":{"cna":{"title":"Sensitive headers not cleared on cross-origin redirect in net/http","descriptions":[{"lang":"en","value":"Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information."}],"affected":[{"vendor":"Go standard library","product":"net/http","packageName":"net/http","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.23.10","versionType":"semver"},{"version":"1.24.0-0","status":"affected","lessThan":"1.24.4","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"Client.makeHeadersCopier"},{"name":"Client.Do"},{"name":"Client.Get"},{"name":"Client.Head"},{"name":"Client.Post"},{"name":"Client.PostForm"},{"name":"Get"},{"name":"Head"},{"name":"Post"},{"name":"PostForm"}]}],"references":[{"url":"https://go.dev/cl/679257"},{"url":"https://go.dev/issue/73816"},{"url":"https://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A"},{"url":"https://pkg.go.dev/vuln/GO-2025-3751"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-201: Insertion of Sensitive Information Into Sent Data"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2025-06-11T16:42:53.054Z"},"credits":[{"lang":"en","value":"Takeshi Kaneko (GMO Cybersecurity by Ierae, Inc.)"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.8,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-06-11T17:59:02.225500Z","id":"CVE-2025-4673","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-11T17:59:48.033Z"}}]}}}