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CVE-2026-24123— BentoML has a Path Traversal via Bentofile Configuration

Quick assessment

Affected
bentoml BentoML
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 1.4.34之前版本存在路径遍历漏洞，该漏洞源于bentofile.yaml配置允许多个文件路径字段存在路径遍历攻击，可能导致敏感文件被窃取。

CVSS 7.4 · High EPSS 0.50% · P41
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I. Basic Information for CVE-2026-24123

Vulnerability Information
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Vulnerability Title
BentoML has a Path Traversal via Bentofile Configuration
Source: CVE Program / CVE List V5
Vulnerability Description
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to version 1.4.34, BentoML's `bentofile.yaml` configuration allows path traversal attacks through multiple file path fields (`description`, `docker.setup_script`, `docker.dockerfile_template`, `conda.environment_yml`). An attacker can craft a malicious bentofile that, when built by a victim, exfiltrates arbitrary files from the filesystem into the bento archive. This enables supply chain attacks where sensitive files (SSH keys, credentials, environment variables) are silently embedded in bentos and exposed when pushed to registries or deployed. Version 1.4.34 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
BentoML 路径遍历漏洞
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 1.4.34之前版本存在路径遍历漏洞，该漏洞源于bentofile.yaml配置允许多个文件路径字段存在路径遍历攻击，可能导致敏感文件被窃取。
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

Vendor Product Affected Versions CPE Subscribe
bentoml BentoML < 1.4.34 -

II. Public POCs for CVE-2026-24123

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III. Intelligence Information for CVE-2026-24123

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IV. Related Vulnerabilities

Same product: BentoML
Same vendor: bentoml
Same weakness: CWE-22

V. Comments for CVE-2026-24123

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