CVE-2026-33744

BentoML has Dockerfile Command Injection via system_packages in bentofile.yaml

State: Published
Severity: 7.8 High
Published: Mar 27, 2026
Updated: Mar 27, 2026
Reserved: Mar 23, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

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

Affected Products

Product	Versions
BentoMLbentoml	< 1.4.37Affected

References

https://github.com/bentoml/BentoML/security/advisories/GHSA-jfjg-vc52-wqvf

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