Vulnerability in Lfprojects Mlflow
CVE-2025-10279
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.
EPSS: 0.002 (12.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lfprojects Mlflow
- Mlflow Mlflow/mlflow — versions unspecified
Weakness classification (CWE)
References
- security@huntr.dev (Exploit, Third Party Advisory)
- security@huntr.dev (Patch)
Frequently asked questions
- What is CVE-2025-10279?
- CVE-2025-10279 is a high-severity vulnerability in Lfprojects Mlflow, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 7.0/10. Published 2026-02-02.
- How severe is CVE-2025-10279?
- High severity. CVSS v3 base score is 7.0 out of 10.