{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "cveMetadata": {
    "cveId": "CVE-2025-22873"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc"
      },
      "title": "Improper access to parent directory of root in os",
      "descriptions": [
        {
          "lang": "en",
          "value": "It was possible to improperly access the parent directory of an os.Root by opening a filename ending in \"../\". For example, Root.Open(\"../\") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent."
        }
      ],
      "affected": [
        {
          "vendor": "Go standard library",
          "product": "os",
          "collectionURL": "https://pkg.go.dev",
          "packageName": "os",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.23.9",
              "status": "affected",
              "versionType": "semver"
            },
            {
              "version": "1.24.0-0",
              "lessThan": "1.24.3",
              "status": "affected",
              "versionType": "semver"
            }
          ],
          "programRoutines": [
            {
              "name": "splitPathInRoot"
            },
            {
              "name": "checkPathEscapesInternal"
            },
            {
              "name": "doInRoot"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-23: Relative Path Traversal"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://go.dev/cl/670036"
        },
        {
          "url": "https://go.dev/issue/73555"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4403"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Dan Sebastian Thrane of SDU eScience Center"
        }
      ]
    }
  }
}