Security Advisories
CVEs affecting projects tracked on Release Alert, from NVD & OSV.
CVE-2026-53944
5.8
MEDIUMCVSS v3
Published
June 24, 2026
Affected
1 project
Assigned by
GitHub
Severity scale
010
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.
TryGhost/Ghost
GitHubIndependent technology for modern publishing, memberships, subscriptions and newsletters.
GitHubIndependent technology for modern publishing, memberships, subscriptions and newsletters.NVD