Security advisory

{
  "id": "7b22b776f628a119c5adeee3c4e203f100053cb2a06ecce74f3453f693ab192a",
  "url": "https://osv.dev/vulnerability/CVE-2020-8158",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8158",
    "summary": "Prototype pollution vulnerability in the TypeORM package < 0.2.25 may allow attackers to add or modify Object properties leading to further denial of service or SQL injection attacks.",
    "evidence": "osv:CVE-2020-8158",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-8158",
      "aliases": [
        "CVE-2020-8158",
        "GHSA-pf2j-9qmp-jqr2"
      ],
      "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/typeorm/typeorm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "eaadf201dcc464f667f0bcda0a2415de2097b8d2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:typeorm:typeorm:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.2.25"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.2.24",
            "0.2.23",
            "0.2.22",
            "0.2.21",
            "0.2.20",
            "0.2.19",
            "0.2.18",
            "0.2.17",
            "0.2.16",
            "0.2.15",
            "0.2.14",
            "0.2.13",
            "0.2.12",
            "0.2.11",
            "0.2.10",
            "0.2.9",
            "0.2.8",
            "0.2.7",
            "0.2.6",
            "0.2.5",
            "0.2.4",
            "0.2.3",
            "0.2.2",
            "0.2.1",
            "0.2.0",
            "0.1.19",
            "0.1.18",
            "0.1.17",
            "0.1.16",
            "0.1.15",
            "0.1.13",
            "0.1.14",
            "0.1.12",
            "0.1.10",
            "0.1.9",
            "0.1.8",
            "0.1.7",
            "0.1.6",
            "0.1.5",
            "0.1.4",
            "0.1.3",
            "0.1.2",
            "0.1.1",
            "0.1.0",
            "0.0.9",
            "0.0.8",
            "0.0.7",
            "0.0.6",
            "0.0.5",
            "0.0.4",
            "0.0.3",
            "0.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8158.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:33.457280361Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/869574"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-8158",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433291,
  "published_at": "2020-09-18T21:15:12.747+00:00"
}