{"id":"GHSA-9x4c-63pf-525f","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)","aliases":["CVE-2020-15142","PYSEC-2020-71"],"modified":"2026-07-08T06:00:02.014289122Z","published":"2020-08-20T14:38:24Z","database_specific":{"nvd_published_at":null,"cwe_ids":["CWE-94"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2020-08-14T16:09:33Z"},"references":[{"type":"WEB","url":"https://github.com/triaxtec/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525f"},{"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":"WEB","url":"https://github.com/triaxtec/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://github.com/triaxtec/openapi-python-client/blob/main/CHANGELOG.md#053---2020-08-13"},{"type":"WEB","url":"https://pypi.org/project/openapi-python-client"}],"affected":[{"package":{"name":"openapi-python-client","ecosystem":"PyPI","purl":"pkg:pypi/openapi-python-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.3"}]}],"versions":["0.1.0","0.1.0.dev0","0.1.1","0.1.2","0.2.0","0.2.1","0.3.0","0.4.0","0.4.0rc1","0.4.1","0.4.2","0.5.0","0.5.1","0.5.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/08/GHSA-9x4c-63pf-525f/GHSA-9x4c-63pf-525f.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"}]}