# CVE-2025-10279

## Summary

- **CVE ID:** CVE-2025-10279
- **Severity:** HIGH
- **CVSS Score:** 7 (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-379
- **Published:** Feb 2, 2026
- **Last Modified:** Mar 12, 2026

## 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.

## Affected Products

- mlflow — mlflow/mlflow (unspecified)

## References

- [CNA](https://huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8)
- [CNA](https://github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.22%
- **EPSS Percentile:** 12.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._