CVE-2026-70596
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Aug 05, 2026
Vendor
unknown
Description
Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixed in 6.54.1.