{"id":"CVE-2020-15142","aliases":["GHSA-9x4c-63pf-525f","PYSEC-2020-71"],"url":"https://o3.security/vulnerability/CVE-2020-15142","summary":"openapi-python-client Arbitrary Code Generation vulnerability","details":"### Impact\nClients generated with a maliciously crafted OpenAPI Document can generate arbitrary Python code. Subsequent execution of this malicious client is arbitrary code execution.\n\nGiving this a CVSS of 8.0 (high) with CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:P/RL:U/RC:C .\n\n### Patches\nFix will be included in version 0.5.3\n\n### Workarounds\nInspect OpenAPI documents before generating, or inspect generated code before executing.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [openapi-python-client](https://github.com/triaxtec/openapi-python-client/issues)\n* Email us at [danthony@triaxtec.com](mailto:danthony@triaxtec.com)","published":"2020-08-14T17:15:14.157Z","modified":"2026-10-20T10:51:52.427901292Z","cvss":{"score":9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"openapi-python-client","fixedVersion":"0.5.3"}],"fix":{"url":"https://github.com/triaxtec/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19a","label":"triaxtec/openapi-python-client@f7a56aa"},"references":[{"type":"ADVISORY","url":"https://github.com/triaxtec/openapi-python-client/blob/main/CHANGELOG.md#053---2020-08-13"},{"type":"ADVISORY","url":"https://github.com/triaxtec/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525f"},{"type":"FIX","url":"https://github.com/triaxtec/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19a"},{"type":"PACKAGE","url":"https://pypi.org/project/openapi-python-client/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15142"},{"type":"WEB","url":"https://github.com/openapi-generators/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19a"},{"type":"PACKAGE","url":"https://github.com/openapi-generators/openapi-python-client"},{"type":"WEB","url":"https://github.com/openapi-generators/openapi-python-client/releases/tag/v.0.5.3"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/openapi-python-client/PYSEC-2020-71.yaml"},{"type":"WEB","url":"https://pypi.org/project/openapi-python-client"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T10:51:52.427901292Z"}}