Arbitrary file write via tar traversal in mlflow
A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall` without path validation enables crafted tar.gz files containing `..` or absolute paths to escape the intended extraction directory. This issue affects the latest version of MLflow and poses a high/critical risk in scenarios involving multi-tenant environments or ingestion of untrusted artifacts, as it can lead to arbitrary file overwrites and potential remote code execution.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2025-15031US | critical9.1 | — | ||
A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/advisories/GHSA-fhff-qmm8-h2fpADVISORY
- https://github.com/mlflow/mlflowPACKAGE
- https://github.com/mlflow/mlflow/blob/fe4d9be330426904283401f1d2ed914238b6fc37/mlflow/pyfunc/dbconnect_artifact_cache.py#L140WEB
- https://github.com/mlflow/mlflow/commit/3bf6d81ac4d38654c8ff012dbd0c3e9f17e7e346WEB
- https://huntr.com/bounties/09856f77-f968-446f-a930-657d126efe4eWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-15031ADVISORY
- https://pypi.org/project/mlflowPACKAGE
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