Prototype Pollution

{
  "id": "d031fef5e90b9a9cfd12ddd34299b72cf5419584125357ca9471ce48b8a721b5",
  "url": "https://osv.dev/vulnerability/CVE-2022-22143",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Prototype Pollution",
    "summary": "The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerability](https://security.snyk.io/vuln/SNYK-JS-CONVICT-1062508)",
    "evidence": "osv:CVE-2022-22143",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-22143",
      "aliases": [
        "CVE-2022-22143",
        "GHSA-x2w5-725j-gf2g",
        "SNYK-JS-CONVICT-2340604"
      ],
      "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/mozilla/node-convict",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4da12f88f77a3a4c1d61fee3bc5d16194892802d"
                },
                {
                  "fixed": "3b86be087d8f14681a9c889d45da7fe3ad9cd880"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mozilla:convict:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "6.2.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3b86be087d8f14681a9c889d45da7fe3ad9cd880"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6.2.1",
            "v6.2.0",
            "v5.2.0",
            "v6.1.0",
            "v6.0.1",
            "v6.0.0",
            "v5.1.0",
            "v5.0.2",
            "v5.0.1",
            "v5.0.0",
            "v4.4.1",
            "v4.4.0",
            "v4.3.2",
            "v4.3.1",
            "v4.3.0",
            "v4.2.0",
            "v4.1.0",
            "v4.0.2",
            "v4.0.1",
            "v4.0.0",
            "v3.0.0",
            "v2.0.0",
            "v1.4.0",
            "v1.3.0",
            "v1.2.0",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v0.5.1",
            "v0.5.0",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.3",
            "v0.3.1",
            "v0.3.0",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-22143.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.317371420Z",
      "provider": "osv",
      "references": [
        "https://github.com/mozilla/node-convict/blob/5eb1314f85346760a3c31cb14510f2f0af11d0d3/packages/convict/src/main.js%23L569",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/22xxx/CVE-2022-22143.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-22143",
        "https://snyk.io/vuln/SNYK-JS-CONVICT-2340604",
        "https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889d45da7fe3ad9cd880"
      ],
      "provider_metadata": {
        "cna_assigner": "snyk",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/22xxx/CVE-2022-22143.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-22143",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521120,
  "published_at": "2022-05-01T15:30:45.287+00:00"
}