CVE-2026-29053: Ghost

Critical severity, CVSS 9.8. EPSS: 5% chance of exploitation in the next 30 days.

Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can execute arbitrary code on the server running Ghost. This issue has been patched in version 6.19.1.

Affected products

• Ghost Ghost: from 0.7.2, before 6.19.1 (fixed in 6.19.1)

Published 2026-03-05. Last modified 2026-06-17.