Security Advisory

CVE-2026-53945

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-24 18:09:34

Last updated 2026-06-25 15:38:22

Assigner GitHub_M

CVSS score 4.0

State PUBLISHED

Description

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.

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