CVE-2025-10279
HIGH7.0EPSS 0.01%mlflow Creates of Temporary File in Directory with Insecure Permissions
Published: 2/2/2026Modified: 4/17/2026
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 packages (2)
- Bitnami/mlflowfrom 0, < 3.4.0
- PyPI/mlflowfrom 0, < 3.4.0rc0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |