CVE-2025-10279: In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure wor
Summary
MLflow version 2.20.3 has a vulnerability where temporary directories used to create Python virtual environments are set with world-writable permissions (meaning any user on the system can read, write, and execute files there). An attacker with access to the `/tmp` directory can exploit a race condition (a situation where timing allows an attacker to interfere with an operation before it completes) to overwrite Python files in the virtual environment and run arbitrary code.
Solution / Mitigation
The issue is resolved in mlflow version 3.4.0.
Vulnerability Details
EPSS: 0.0%
Classification
Taxonomy References
Affected Vendors
Related Issues
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-10279
First tracked: February 15, 2026 at 08:46 PM
Classified by LLM (prompt v3) · confidence: 85%