CVE-2026-70589
MEDIUM
NVD
CVSS Score
4.8
Severity
MEDIUM
Published
Aug 04, 2026
Vendor
unknown
Description
Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.