Security advisory

{
  "id": "844ecb961c755e201c844d86618f5edcce031356530e340ea57d690b599f83bc",
  "url": "https://osv.dev/vulnerability/CVE-2020-7751",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-7751",
    "summary": "pathval before version 1.1.1 is vulnerable to prototype pollution.",
    "evidence": "osv:CVE-2020-7751",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-7751",
      "aliases": [
        "CVE-2020-7751",
        "GHSA-g6ww-v8xp-vmwg",
        "SNYK-JS-PATHVAL-596926"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chaijs/pathval",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "db6c3e39c39859564704b7f37149082689f1b172"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chaijis:pathval:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.1.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.1.0",
            "v1.0.0",
            "v0.2.1",
            "0.1.1",
            "0.1.0",
            "0.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7751.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:24.402061595Z",
      "provider": "osv",
      "references": [
        "https://github.com/chaijs/pathval/pull/58/files",
        "https://snyk.io/vuln/SNYK-JS-PATHVAL-596926"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-7751",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385300,
  "published_at": "2020-10-26T12:17:13.693+00:00"
}