CVE-2026-70592 Ghost: Database Backup Path Traversal
Administrators can overwrite files via path traversal in database backup filenames, compromising integrity and availability in Ghost CMS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-70592?
CVE-2026-70592 is a medium-severity path traversal vulnerability in TryGhost Ghost, published on 4 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-70592?
3 open source packages ship an affected version, including ghost.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | From 1.20.1 | 6.54.1 |
ghost npm | From 1.20.1 | 6.54.1 |
ghost npm | From 1.20.1 | 6.54.1 |
How do I fix CVE-2026-70592?
Upgrade ghost to 6.54.1 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-70592 being exploited?
There is no known exploitation of CVE-2026-70592 in the wild and no public exploit code.
Sources
Also known as BIT-ghost-2026-70592, GHSA-cj62-hvv2-2q5h.