CVE-2025-15031: MLflow arbitrary file write during pyfunc extraction via tar archive entries

Summary

CVE-2025-15031 affects MLflow's pyfunc extraction process, which calls `tarfile.extractall` without path validation. A crafted tar.gz file containing `..` or absolute paths can escape the intended extraction directory, enabling arbitrary file writes. The issue affects the latest version of MLflow and is rated high/critical in multi-tenant environments or where untrusted artifacts are ingested, with potential remote code execution.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

• mlflowPyPILLM dependency since 2024-05-30 · 17 tracked dependents

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