Security advisory

{
  "id": "3dfa82f7a69c0ef7cd20c0d88909c4fb8575f91b053c5c63f80ac3c5d66fb81f",
  "url": "https://osv.dev/vulnerability/CVE-2017-14849",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-14849",
    "summary": "Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to \"..\" handling was incompatible with the pathname validation used by unspecified community modules.",
    "evidence": "osv:CVE-2017-14849",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-14849",
      "aliases": [
        "CVE-2017-14849"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nodejs/node",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a2a2ff4817f359768c846587983439f7b29d1cf5"
                },
                {
                  "last_affected": "a2a2ff4817f359768c846587983439f7b29d1cf5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nodejs:node.js:8.5.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.5.0"
                      },
                      {
                        "last_affected": "8.5.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.5.0",
            "v8.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14849.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:35.030794255Z",
      "provider": "osv",
      "references": [
        "https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/",
        "https://twitter.com/nodejs/status/913131152868876288"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-14849",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433656,
  "published_at": "2017-09-28T01:29:02.543+00:00"
}