CVE-2026-25552

LowCVSS 3.7/10Last modified Oct 23, 2026

Description

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.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-348

Affected software

Vendor	Product	Versions
TryGhost	Ghost-CLI	< 1.30.1

References

Timeline

Published: Jul 31, 2026
Last modified: Oct 23, 2026
NVD status: Deferred

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