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    CVE-2025-65328

    Mega-Fence (webgate-lib.*) 25.1.914 and prior trusts the first value of the X-Forwarded-For (XFF) header as the client IP without validating a trusted proxy chain. An attacker can supply an arbitrary XFF value in a remote request to spoof the client IP, which is then propagated to security-relevant state (e.g., WG_CLIENT_IP cookie). Deployments that rely on this value for IP allowlists may be bypassed.

    Published:Jan 5, 2026
    Last Modified:Jan 30, 2026
    EPS:Jan 5, 2026
    EPSS Score:0.00064
    CVSS Score:6.5

    Affected Products

    Vendor
    Mega-fence Project
    Product
    Mega-fence

    Exploits

    https://raw.githubusercontent.com/p1aintext/CVE/main/CVE-2025-65328.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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