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HIGH7.8

PYSEC-2026-157

Quick fix

PYSEC-2026-157 — bentoml: upgrade to the fixed version with the command below.

pip install --upgrade 'bentoml>=1.4.37'

Details

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.37, the `docker.system_packages` field in `bentofile.yaml` accepts arbitrary strings that are interpolated directly into Dockerfile `RUN` commands without sanitization. Since `system_packages` is semantically a list of OS package names (data), users do not expect values to be interpreted as shell commands. A malicious `bentofile.yaml` achieves arbitrary command execution during `bentoml containerize` / `docker build`. Version 1.4.37 fixes the issue.

Are you affected?

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Affected packages

PyPI/bentoml
Introduced in: 0Fixed in: 1.4.37
Fixpip install --upgrade 'bentoml>=1.4.37'

References