Path Traversal in Tryghost Ghost
CVE-2026-70593
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (21.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L.
Affected products
- Tryghost Ghost — versions >= 0.10.0, < 6.54.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-70593?
- CVE-2026-70593 is a medium-severity vulnerability in Tryghost Ghost, classified under Path Traversal. CVSS score: 6.6/10. Published 2026-08-04.
- How severe is CVE-2026-70593?
- Medium severity. CVSS v3 base score is 6.6 out of 10.