Path Traversal in Tryghost Ghost
CVE-2026-70592
Ghost is a Node.js content management system. From 1.20.1 until 6.54.1, an Administrator-level user could remotely overwrite certain files on the filesystem through the database backup filename, leading to integrity and availability issues. The database export endpoint failed to reject path separators in the caller-supplied filename. This issue is fixed in version 6.54.1.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L.
Affected products
- Tryghost Ghost — versions >= 1.20.1, < 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-2026-70592?
- CVE-2026-70592 is a medium-severity vulnerability in Tryghost Ghost, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-08-04.
- How severe is CVE-2026-70592?
- Medium severity. CVSS v3 base score is 5.5 out of 10.