CVE-2025-47910 (GCVE-0-2025-47910)
Vulnerability from cvelistv5
Published
2025-09-22 21:01
Modified
2025-09-22 21:01
Severity ?
CWE
Summary
When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but forwards the original request path, which may be served by a different handler without the intended security protections.
References
security@golang.orghttps://go.dev/cl/699275
security@golang.orghttps://go.dev/issue/75054
security@golang.orghttps://groups.google.com/g/golang-announce/c/PtW9VW21NPs/m/DJhMQ-m5AQAJ
security@golang.orghttps://pkg.go.dev/vuln/GO-2025-3955
Impacted products
Vendor Product Version
Go standard library net/http Version: 1.25.0   ≤
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/http",
          "product": "net/http",
          "programRoutines": [
            {
              "name": "CrossOriginProtection.AddInsecureBypassPattern"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.25.1",
              "status": "affected",
              "version": "1.25.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but forwards the original request path, which may be served by a different handler without the intended security protections."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-284: Improper Access Control",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-22T21:01:55.440Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/699275"
        },
        {
          "url": "https://go.dev/issue/75054"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/PtW9VW21NPs/m/DJhMQ-m5AQAJ"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2025-3955"
        }
      ],
      "title": "CrossOriginProtection insecure bypass patterns not limited to exact matches in net/http"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2025-47910",
    "datePublished": "2025-09-22T21:01:55.440Z",
    "dateReserved": "2025-05-13T23:31:29.597Z",
    "dateUpdated": "2025-09-22T21:01:55.440Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-47910\",\"sourceIdentifier\":\"security@golang.org\",\"published\":\"2025-09-22T21:15:59.627\",\"lastModified\":\"2025-09-22T21:22:16.313\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When using http.CrossOriginProtection, the AddInsecureBypassPattern method can unexpectedly bypass more requests than intended. CrossOriginProtection then skips validation, but forwards the original request path, which may be served by a different handler without the intended security protections.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://go.dev/cl/699275\",\"source\":\"security@golang.org\"},{\"url\":\"https://go.dev/issue/75054\",\"source\":\"security@golang.org\"},{\"url\":\"https://groups.google.com/g/golang-announce/c/PtW9VW21NPs/m/DJhMQ-m5AQAJ\",\"source\":\"security@golang.org\"},{\"url\":\"https://pkg.go.dev/vuln/GO-2025-3955\",\"source\":\"security@golang.org\"}]}}"
  }
}


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