VULNERABILITY INTELLIGENCE

CVE-2026-70593

CVSS score6.6 MEDIUM
EPSS probability0.41%
CISA KEVNot currently listed
Published2026-08-04
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L

Description

Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.

Weakness classification

  • security-advisories@github.com: CWE-22

Primary references