Security advisory

{
  "id": "2aa42f70610e459ccef244f445d6d91f4a8ff4b47f1512570c68adb6b626c904",
  "url": "https://osv.dev/vulnerability/CVE-2020-28268",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-28268",
    "summary": "Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.",
    "evidence": "osv:CVE-2020-28268",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-28268",
      "aliases": [
        "CVE-2020-28268",
        "GHSA-5pg7-v24c-9rp9"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hlfshell/controlled-merge",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5a4b2e9ffe5a0be7f8843d4ab038599d3ae5f9d4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "5a4b2e9ffe5a0be7f8843d4ab038599d3ae5f9d4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-28268.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:03.772713666Z",
      "provider": "osv",
      "references": [
        "https://github.com/hlfshell/controlled-merge/commit/5a4b2e9ffe5a0be7f8843d4ab038599d3ae5f9d4",
        "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28268"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:controlled-merge_project:controlled-merge:*:*:*:*:*:node.js:*:*"
            ],
            "vendor_product": "controlled-merge_project:controlled-merge",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.0.0"
                  },
                  {
                    "last_affected": "1.2.0"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.0.0"
                  },
                  {
                    "last_affected": "1.2.0"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-28268",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384166,
  "published_at": "2020-11-15T23:15:12.967+00:00"
}