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Description

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.

PUBLISHED Reserved 2026-03-23 | Published 2026-03-27 | Updated 2026-03-27 | Assigner GitHub_M




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-94: Improper Control of Generation of Code ('Code Injection')

Product status

< 1.4.37
affected

References

github.com/...entoML/security/advisories/GHSA-jfjg-vc52-wqvf

cve.org (CVE-2026-33744)

nvd.nist.gov (CVE-2026-33744)

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