scikit-learn (aka sklearn) through 0.23.0 can unserialize and execute commands from an…
Priority MEDIUM 48CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
scikit-learn (aka sklearn) through 0.23.0 can unserialize and execute commands from an untrusted file that is passed to the joblib.load() function, if __reduce__ makes an os.system call. NOTE: third parties dispute this issue because the joblib.load() function is documented as unsafe and it is the user's responsibility to use the function in a secure manner
Why it matters now
EPSS 0.03472 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | scikit-learn (PyPI) | up to 0.23.0 | — | No fix listed | GHSA-jjw5-xxj6-pcv5 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- scikit-learn (PyPI) Vendor— Affected up to 0.23.0 Fixed in — No fix listed GHSA-jjw5-xxj6-pcv5
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:scikit-learn:scikit-learn:*:*:*:*:*:*:*:* | up to 0.23.0 | Vulnerable | scikit-learn |
- cpe:2.3:a:scikit-learn:scikit-learn:*:*:*:*:*:*:*:* Versions up to 0.23.0 Vulnerable ·scikit-learn
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13092
- 2026-10-03 Alias added: GHSA-jjw5-xxj6-pcv5
References
Advisory 2
More Scikit-learn vulnerabilities
- TI-2020-17498 svm_predict_values in svm.cpp in Libsvm v324, as used in scikit-learn 0.23.2 and other… CVSS 3.1HIGH 7.5
- TI-2024-04831 Sensitive Data Leakage in sklearn.feature_extraction.text.TfidfVectorizer in scikit-learn/scikit-learn CVSS 3.1MEDIUM 4.7
Sources
- CVE-2020-13092 · CVE Program
- CVE-2020-13092 · NVD
- FIRST EPSS
- GHSA-jjw5-xxj6-pcv5 · GitHub Advisory Database · CC BY 4.0
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