Security advisory

{
  "id": "f5505ab0fa1e4977fad4c361ec8ee4f23438f62de6db708b50fec265ed742c6e",
  "url": "https://osv.dev/vulnerability/CVE-2020-15142",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15142",
    "summary": "In openapi-python-client before version 0.5.3, clients generated with a maliciously crafted OpenAPI Document can generate arbitrary Python code. Subsequent execution of this malicious client is arbitrary code execution.",
    "evidence": "osv:CVE-2020-15142",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-15142",
      "aliases": [
        "CVE-2020-15142",
        "GHSA-9x4c-63pf-525f",
        "PYSEC-2020-71"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openapi-generators/openapi-python-client",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0230ec5a6c30480c0df0371c7f63bcd67841e3a3"
                },
                {
                  "fixed": "f7a56aae32cba823a77a84a1f10400799b19c19a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openapi-python-client_project:openapi-python-client:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.5.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f7a56aae32cba823a77a84a1f10400799b19c19a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v.0.5.2",
            "v.0.5.1",
            "v.0.5.0",
            "v.0.4.2",
            "v.0.4.1",
            "v.0.4.0",
            "v.0.4.0-rc.1",
            "v.0.3.0",
            "v.0.2.1",
            "v.0.2.0",
            "v.0.1.2",
            "0.1.1",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15142.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:52.427901292Z",
      "provider": "osv",
      "references": [
        "https://github.com/triaxtec/openapi-python-client/blob/main/CHANGELOG.md#053---2020-08-13",
        "https://github.com/triaxtec/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525f",
        "https://github.com/triaxtec/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19a",
        "https://pypi.org/project/openapi-python-client/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15142",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383059,
  "published_at": "2020-08-14T17:15:14.157+00:00"
}