HIGH8.8
PYSEC-2026-1647
MLFlow unsafe deserialization
Details
Deserialization of untrusted data can occur in versions of the MLflow platform running version 1.27.0 or newer, enabling a maliciously crafted Recipe to execute arbitrary code on an end user’s system when run.
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Affected packages
PyPI/mlflow
Introduced in:
1.27.0No fixed version published yet for mlflow (pip). Pin to a known-safe version or switch to an alternative.