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    CVE-2026-103592

    simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to impersonate whitelisted addresses or evade blacklists, gaining access to IP-restricted routes.

    Published:Sep 30, 2026
    Last Modified:Oct 6, 2026
    EPS:Sep 30, 2026
    EPSS Score:0.00182
    CVSS Score:6.5

    Affected Products

    Vendor
    Pecee
    Product
    Simple-router

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-348 Use of Less Trusted Source

    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