Security advisory

{
  "id": "0882a8cd1054764e9b657edd4e6920c0342278ce117f1f19c54def70081a84b4",
  "url": "https://osv.dev/vulnerability/CVE-2021-23434",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23434",
    "summary": "This affects the package object-path before 0.11.6. A type confusion vulnerability can lead to a bypass of CVE-2020-15256 when the path components used in the path parameter are arrays. In particular, the condition currentPath === '__proto__' returns false if currentPath is ['__proto__']. This is because the === operator returns always false when the type of the operands is different.",
    "evidence": "osv:CVE-2021-23434",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-23434",
      "aliases": [
        "CVE-2021-23434",
        "GHSA-v39p-96qg-c8rf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mariocasciaro/object-path",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "94f92d8932fce12eeff853116646160477c6ce11"
                },
                {
                  "fixed": "7bdf4abefd102d16c163d633e8994ef154cab9eb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:object-path_project:object-path:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.11.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "7bdf4abefd102d16c163d633e8994ef154cab9eb"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.11.0",
            "v0.10.0",
            "v0.9.3",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0",
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.6.0",
            "v0.5.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.1",
            "v0.2.0",
            "v0.1.3",
            "v0.1.2",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23434.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:32.252112097Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2023/01/msg00031.html",
        "https://github.com/mariocasciaro/object-path/commit/7bdf4abefd102d16c163d633e8994ef154cab9eb",
        "https://github.com/mariocasciaro/object-path%230116",
        "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1570423",
        "https://snyk.io/vuln/SNYK-JS-OBJECTPATH-1569453"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-23434",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385508,
  "published_at": "2021-08-27T17:15:06.91+00:00"
}