Unrated severityNVD Advisory· Published Jun 24, 2026· Updated Jun 24, 2026
Ghost: Private IP filtering bypass to make server-side requests to internal services
CVE-2026-53944
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Patches
Vulnerability mechanics
References
1- github.com/TryGhost/Ghost/security/advisories/GHSA-wvp2-4qqp-4h3rmitrex_refsource_CONFIRM
News mentions
0No linked articles in our index yet.