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    CVE-2026-44346

    BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, a malicious bentofile.yaml containing a newline-injected value in envs[*].name produces unquoted RUN directives in the BentoML-generated Dockerfile. When the victim runs bentoml containerize on the imported bento, those RUN directives execute on the host during docker build. This vulnerability is fixed in 1.4.39.

    Published:May 27, 2026
    Last Modified:Jun 2, 2026
    EPS:May 27, 2026
    EPSS Score:0.00045
    CVSS Score:8.8

    Affected Products

    Vendor
    Bentoml
    Product
    Bentoml

    Exploits

    https://github.com/bentoml/BentoML/security/advisories/GHSA-w2pm-x38x-jp44https://github.com/bentoml/BentoML/security/advisories/GHSA-w2pm-x38x-jp44

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High