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    CVE-2026-40971

    When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker. Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.

    Published:Apr 27, 2026
    Last Modified:May 14, 2026
    EPS:Apr 27, 2026
    EPSS Score:0.00019
    CVSS Score:5

    Affected Products

    Vendor
    Spring
    Product
    Spring Boot
    Vendor
    Vmware
    Product
    Spring Boot

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

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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