Security advisory

{
  "id": "919e7bab1569a984f58df1abf1cce343d24cd6ab0c9e681843a8f6c334e57e91",
  "url": "https://osv.dev/vulnerability/CVE-2021-23419",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23419",
    "summary": "This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.",
    "evidence": "osv:CVE-2021-23419",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-23419",
      "aliases": [
        "CVE-2021-23419",
        "GHSA-g452-6rfc-vrvx",
        "SNYK-JS-OPENGRAPH-1536747"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/samholmes/node-open-graph",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "66da9428003f319f0410a595d3674d8542b0b9c3"
                },
                {
                  "fixed": "a0cef507a90adaac7dbbe9c404f09a50bdefb348"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:open-graph_project:open-graph:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.2.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a0cef507a90adaac7dbbe9c404f09a50bdefb348"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23419.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:32.610349662Z",
      "provider": "osv",
      "references": [
        "https://github.com/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348",
        "https://snyk.io/vuln/SNYK-JS-OPENGRAPH-1536747"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-23419",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385535,
  "published_at": "2021-08-08T08:15:06.15+00:00"
}