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I. Basic Information for CVE-2026-35044
Vulnerability Information

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Vulnerability Title
BentoML has a Server-Side Template Injection via unsandboxed Jinja2 Environment in Dockerfile generation
Source: NVD (National Vulnerability Database)
Vulnerability Description
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.38, the Dockerfile generation function generate_containerfile() in src/bentoml/_internal/container/generate.py uses an unsandboxed jinja2.Environment with the jinja2.ext.do extension to render user-provided dockerfile_template files. When a victim imports a malicious bento archive and runs bentoml containerize, attacker-controlled Jinja2 template code executes arbitrary Python directly on the host machine, bypassing all container isolation. This vulnerability is fixed in 1.4.38.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1336
Source: NVD (National Vulnerability Database)
Vulnerability Title
BentoML 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BentoML是BentoML开源的一个开源模型服务库。用于使用 Python 构建高性能和可扩展的人工智能应用程序。 BentoML 1.4.38之前版本存在安全漏洞,该漏洞源于Dockerfile生成函数使用未沙箱化的Jinja2环境渲染用户提供的模板,可能导致执行任意Python代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
bentomlBentoML < 1.4.38 -
II. Public POCs for CVE-2026-35044
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III. Intelligence Information for CVE-2026-35044
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