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    CVE-2025-27520

    BentoML is a Python library for building online serving systems optimized for AI apps and model inference. A Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version (v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server. It exists an unsafe code segment in serde.py. This vulnerability is fixed in 1.4.3.

    Published:Apr 4, 2025
    Last Modified:Jun 27, 2025
    EPS:Apr 4, 2025
    EPSS Score:0.78232
    CVSS Score:9.8

    Affected Products

    Vendor
    Bentoml
    Product
    Bentoml

    Exploits

    https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmchttps://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmchttps://github.com/amalpvatayam67/day09-bentoml-deser-labhttps://github.com/electricsheep08/CVE-2025-27520https://github.com/Evillm/CVE-2025-27520-PoC

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

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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