Arbitrary Code Generation
Priority MEDIUM 43CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-94.
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.
Why it matters now
EPSS 0.01849 79th percentileScored 2026-11-07
Fix Fixed openapi-python-client (triaxtec): 0.5.3openapi-python-client (PyPI): 0.5.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| triaxtec | openapi-python-client | before 0.5.3 | 0.5.3 | Patch available | CNA |
| — | openapi-python-client (PyPI) | before 0.5.3 | 0.5.3 | Patch available | GHSA-9x4c-63pf-525f |
- openapi-python-client Vendortriaxtec Affected before 0.5.3 Fixed in 0.5.3 Patch available CNA
- openapi-python-client (PyPI) Vendor— Affected before 0.5.3 Fixed in 0.5.3 Patch available GHSA-9x4c-63pf-525f
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openapi-python-client_project:openapi-python-client:*:*:*:*:*:*:*:* | before 0.5.3 | Vulnerable | Openapi-python-client Project |
- cpe:2.3:a:openapi-python-client_project:openapi-python-client:*:*:*:*:*:*:*:* Versions before 0.5.3 Vulnerable ·Openapi-python-client Project
Remediation
- Fix · CNA openapi-python-client (triaxtec) Fixed in 0.5.3
- Fix · GHSA-9x4c-63pf-525f openapi-python-client (PyPI) Fixed in 0.5.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15142
- 2026-10-03 Alias added: GHSA-9x4c-63pf-525f
References
Patch 1
Advisory 4
Other 5
- https://github.com/openapi-generators/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19a
- https://github.com/openapi-generators/openapi-python-client
- https://github.com/openapi-generators/openapi-python-client/releases/tag/v.0.5.3
- https://github.com/pypa/advisory-database/tree/main/vulns/openapi-python-client/PYSEC-2020-71.yaml
- https://pypi.org/project/openapi-python-client
More Openapi-python-client Project Openapi-python-client vulnerabilities
- TI-2020-11914 Path Traversal in openapi-python-client CVSS 3.1MEDIUM 4.1
Sources
- CVE-2020-15142 · CVE Program
- CVE-2020-15142 · NVD
- FIRST EPSS
- GHSA-9x4c-63pf-525f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences