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Command 'go get' may unexpectedly fallback to insecure git in cmd/go

Type: advisorySources: OSV

Using go get to fetch a module with the ".git" suffix may unexpectedly fallback to the insecure "git://" protocol if the module is unavailable via the secure "https://" and "git+ssh://" protocols, even if GOINSECURE is not set for said module. This only affects users who are not using the module proxy and are fetching modules directly (i.e. GOPROXY=off).

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-45285
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 19:30 UTC · Revision 1

Source evidence

Command 'go get' may unexpectedly fallback to insecure git in cmd/go

core-osv · Original source

Published 6 Dec 2023, 16:27 UTC

Using go get to fetch a module with the ".git" suffix may unexpectedly fallback to the insecure "git://" protocol if the module is unavailable via the secure "https://" and "git+ssh://" protocols, even if GOINSECURE is not set for said module. This only affects users who are not using the module proxy and are fetching modules directly (i.e. GOPROXY=off).

osv:CVE-2023-45285
Complete source record
{
  "id": "598be565ec9e117cc7bd37d0cb64d942351994bd1bd88d3126f65abbeb9b91b1",
  "url": "https://osv.dev/vulnerability/CVE-2023-45285",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Command 'go get' may unexpectedly fallback to insecure git in cmd/go",
    "summary": "Using go get to fetch a module with the \".git\" suffix may unexpectedly fallback to the insecure \"git://\" protocol if the module is unavailable via the secure \"https://\" and \"git+ssh://\" protocols, even if GOINSECURE is not set for said module. This only affects users who are not using the module proxy and are fetching modules directly (i.e. GOPROXY=off).",
    "evidence": "osv:CVE-2023-45285",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-45285",
      "aliases": [
        "BIT-golang-2023-45285",
        "CVE-2023-45285",
        "GO-2023-2383"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/golang/go",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "97c8ff8d53759e7a82b1862403df1694f2b6e073"
                },
                {
                  "fixed": "6018ad99a4a951581b2d846a8ccd6f1d4e74fd11"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.20.12"
                      }
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                    "source": "CPE_RANGE"
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                  {
                    "cpe": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.21.0-0"
                      },
                      {
                        "fixed": "1.21.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
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            "go1.21.4",
            "go1.20.10",
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            "go1.21.2",
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45285.json"
          }
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      ],
      "modified": "2026-10-28T02:30:22.611916990Z",
      "provider": "osv",
      "references": [
        "https://go.dev/cl/540257",
        "https://go.dev/issue/63845",
        "https://groups.google.com/g/golang-dev/c/6ypN5EjibjM/m/KmLVYH_uAgAJ",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UIU6HOGV6RRIKWM57LOXQA75BGZSIH6G/",
        "https://pkg.go.dev",
        "https://pkg.go.dev/vuln/GO-2023-2383",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45285.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-45285"
      ],
      "provider_metadata": {
        "cna_assigner": "Go",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "1.20.12"
                  },
                  {
                    "introduced": "1.21.0-0"
                  },
                  {
                    "fixed": "1.21.5"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45285.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-45285",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489186,
  "published_at": "2023-12-06T16:27:55.521+00:00"
}