Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-44345

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, src/bentoml/_internal/container/frontend/dockerfile/templates/base_v2.j2 interpolates docker.base_image raw with no escaping, newline filtering, or validation. A malicious bento.yaml with a multi-line docker.base_image value smuggles arbitrary Dockerfile directives into the generated Dockerfile, and bentoml containerize then runs docker build which executes the injected RUN directives on the victim host. This vulnerability is fixed in 1.4.39.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.7%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-44345


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