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    CVE-2026-8620

    IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.

    Published:May 26, 2026
    Last Modified:Jun 2, 2026
    EPS:May 26, 2026
    EPSS Score:0.00064
    CVSS Score:7.5

    Affected Products

    Vendor
    Ibm
    Product
    Web Server Plug-ins For Websphere Application Server And Websphere Liberty
    Vendor
    Ibm
    Product
    Web Server Plug Ins For Websphere Application Server And Websphere Liberty
    Vendor
    Ibm
    Product
    Websphere Application Server

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-273 HTTP Response Smuggling
    CAPEC-33 HTTP Request Smuggling

    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