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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (12.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Lfprojects Mlflow
- Mlflow Mlflow/mlflow — versions unspecified
Weakness classification (CWE)
References
- huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8 (Exploit, Third Party Advisory)
- github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a (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.