Security Advisory

CVE-2026-53944

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-24 18:10:30

Last updated 2026-06-24 18:50:17

Assigner GitHub_M

CVSS score 5.8

State PUBLISHED

Description

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, when making an external request, it is possible to bypass the IP filter that ensures the request isn't going to an internal service using an IPv6 literal which maps to a private IPv4 address. This vulnerability is fixed in 6.21.1.

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