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CVE-2025-10279 In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure…

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 and versions

Product Affected versions Fixed in
mlflow/mlflow 3.4 earliest → < 3.4.0 3.4.0
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