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    CVE-2026-4799

    In Search Guard FLX up to version 4.0.1, it is possible to use specially crafted requests to redirect the user to an untrusted URL.

    Published:Mar 31, 2026
    Last Modified:Apr 3, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.00027
    CVSS Score:4.3

    Affected Products

    Vendor
    Floragunn
    Product
    Search Guard Flx
    Vendor
    Search-guard
    Product
    Flx

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    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