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    CVE-2026-25552

    Ghost CLI before 1.30.1 contains an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass rate-limiting controls by manipulating the X-Forwarded-For header through a misconfigured Nginx configuration. Attackers can append attacker-controlled values to the header chain using the $proxy_add_x_forwarded_for directive to present an arbitrary IP address, circumventing Ghost's rate-limiting mechanisms on self-hosted instances.

    Published:Jul 31, 2026
    Last Modified:Aug 14, 2026
    EPS:Jul 31, 2026
    EPSS Score:0.00173
    CVSS Score:3.7

    Affected Products

    Vendor
    Ghost
    Product
    Ghost
    Vendor
    Tryghost
    Product
    Ghost-cli

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-348 Use of Less Trusted Source

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    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