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.
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History
Mon, 02 Feb 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Privilege Escalation in mlflow/mlflow | |
| Weaknesses | CWE-379 | |
| References |
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| Metrics |
cvssV3_0
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Status: PUBLISHED
Assigner: @huntr_ai
Published:
Updated: 2026-02-02T17:48:15.265Z
Reserved: 2025-09-11T15:38:58.426Z
Link: CVE-2025-10279
No data.
Status : Received
Published: 2026-02-02T11:16:16.867
Modified: 2026-02-02T11:16:16.867
Link: CVE-2025-10279
No data.
OpenCVE Enrichment
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Weaknesses