Security advisory

{
  "id": "ee5ccf58e82470743173713b3ce991c68e0484334b023c86f5d8ba27fce4bd7a",
  "url": "https://osv.dev/vulnerability/CVE-2022-37266",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-37266",
    "summary": "Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.",
    "evidence": "osv:CVE-2022-37266",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-37266",
      "aliases": [
        "CVE-2022-37266",
        "GHSA-vwhq-pm3r-fjm9"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/stealjs/steal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9"
                },
                {
                  "last_affected": "c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:stealjs:steal:2.2.4:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "2.2.4"
                      },
                      {
                        "last_affected": "2.2.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.2.4",
            "v2.2.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-37266.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.990573638Z",
      "provider": "osv",
      "references": [
        "https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29165",
        "https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29169",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37266.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-37266",
        "https://github.com/stealjs/steal/issues/1535"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37266.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-37266",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499843,
  "published_at": "2022-09-15T12:27:41+00:00"
}