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CVE-2020-15142Arbitrary Code Generation
- 8.0HighCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By GitHub_M
- 50 days later
· 50 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High8.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.0.
Affected products
triaxtec · openapi-python-client
- affected < 0.5.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIopenapi-python-clientGHSA-9x4c-63pf-525f (opens in a new tab)
References
References4
- https://github.com/triaxtec/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525f (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/triaxtec/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19a (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/triaxtec/openapi-python-client/blob/main/CHANGELOG.md#053---2020-08-13 (opens in a new tab)x_refsource_MISCx_transferred
- https://pypi.org/project/openapi-python-client/ (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-0122 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-9x4c-63pf-525f (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-15142)Record last updated .