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Security advisory

Type: advisorySources: OSVCVE: CVE-2023-45289

When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as "Authorization" or "Cookie". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not. A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-45289
Confirmed fixed CVEs
Not specified
Updated in this feed
29 Oct 2026, 13:22 UTC · Revision 1

Source evidence

CVE-2023-45289

core-osv · Original source

Published 5 Mar 2024, 23:15 UTC

When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as "Authorization" or "Cookie". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not. A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.

osv:CVE-2023-45289
Complete source record
{
  "id": "b3d9828025a5ed858eab1a2799e1a7788b851e9d0c4794d2654c9381210d91c6",
  "url": "https://osv.dev/vulnerability/CVE-2023-45289",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-45289",
    "summary": "When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as \"Authorization\" or \"Cookie\". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not. A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.",
    "evidence": "osv:CVE-2023-45289",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-45289",
      "aliases": [
        "BIT-golang-2023-45289",
        "CVE-2023-45289",
        "GO-2024-2600"
      ],
      "affected": [],
      "modified": "2026-10-10T11:47:18.072110136Z",
      "provider": "osv",
      "references": [
        "https://security.netapp.com/advisory/ntap-20240329-0006/",
        "https://go.dev/cl/569340",
        "https://go.dev/issue/65065",
        "https://groups.google.com/g/golang-announce/c/5pwGVUPoMbg",
        "https://pkg.go.dev/vuln/GO-2024-2600"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-45289",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 249401,
  "published_at": "2024-03-05T23:15:07+00:00"
}