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    CVE-2026-40986

    Spring Web Flow's JavaScript RemotingHandler renders the body of an error response as HTML even when the response is not "text/html", which can result in a scripting attack in the user's browser if the error response from the server contains error details with input reflected from an attacker. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.

    Published:Jun 11, 2026
    Last Modified:Sep 4, 2026
    EPS:Jun 11, 2026
    EPSS Score:0.00202
    CVSS Score:4.8

    Affected Products

    Vendor
    Broadcom
    Product
    Spring Web Flow
    Vendor
    Spring
    Product
    Spring Web Flow

    Exploits

    No exploit reference

    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