Security advisory

{
  "id": "162542012af0065c96e43130f0a0e52566b12ae909013e86eca4a78848ef6c66",
  "url": "https://osv.dev/vulnerability/CVE-2020-28283",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-28283",
    "summary": "Prototype pollution vulnerability in 'libnested' versions 0.0.0 through 1.5.0 allows an attacker to cause a denial of service and may lead to remote code execution.",
    "evidence": "osv:CVE-2020-28283",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-28283",
      "aliases": [
        "CVE-2020-28283",
        "GHSA-3r9x-mjrm-2725"
      ],
      "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/dominictarr/libnested",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "d028a1b0f2e5f16fc28e568f52b936ae0bca0647"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libnested_project:libnested:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0.0.0"
                      },
                      {
                        "last_affected": "1.5.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.5.0",
            "v1.4.1",
            "v1.4.0",
            "v1.3.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-28283.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:04.515439364Z",
      "provider": "osv",
      "references": [
        "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28284",
        "https://github.com/dominictarr/libnested/blob/d028a1b0f2e5f16fc28e568f52b936ae0bca0647/index.js#L27"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-28283",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384180,
  "published_at": "2020-12-29T18:15:12.933+00:00"
}