github.com
https://github.com/mlflow/mlflow CVE-2025-10279
HIGH
Privilege Escalation in mlflow/mlflow
Record summary
CVE-2025-10279 has a selected CVSS score of 7.0 (high).
Description
In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationPoC
AutomatableNo
Technical impactTotal
CISA Coordinator · SSVC 2.0.3 · Evaluated Feb 2, 2026 · Source: CVE List
Affected products and versions
2| Product | Source | Version range | Status |
|---|---|---|---|
mlflow/mlflowBrowse mlflow / mlflow/mlflow | CVE List | Before 3.4.0 | affected |
mlflowBrowse PyPI / mlflow | GitHub Advisory | Before 3.4.0rc0 · Fixed in 3.4.0rc0 | affected |
References
4github.com
https://github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a huntr.com
https://huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2025-10279