Security advisory

{
  "id": "763f51120c9e3f7a1090025f6a951d2e50335d27a59e59e70b5e1154450d96dd",
  "url": "https://osv.dev/vulnerability/CVE-2019-10795",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-10795",
    "summary": "undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.",
    "evidence": "osv:CVE-2019-10795",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-10795",
      "aliases": [
        "CVE-2019-10795",
        "GHSA-332q-7ff2-57h2",
        "SNYK-JS-UNDEFSAFE-548940"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/remy/undefsafe",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f272681b3a50e2c4cbb6a8533795e1453382c822"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:undefsafe_project:undefsafe:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f272681b3a50e2c4cbb6a8533795e1453382c822"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.0.2",
            "v2.0.1",
            "v1.3.1",
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v0.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10795.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:36.059069006Z",
      "provider": "osv",
      "references": [
        "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822",
        "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-10795",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382625,
  "published_at": "2020-02-18T16:15:10.47+00:00"
}