CVE-2026-105642 Ghost: Remote Code Execution via Bookmark Card Images
Staff users can trigger arbitrary command execution on the server by creating bookmark cards with malicious SVG images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-105642?
CVE-2026-105642 is a high-severity code injection vulnerability in TryGhost Ghost, published on 5 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Ghost is a Node.js content management system. From 6.56.0 until 6.67.0, an image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary commands being run on the Ghost server. This issue is fixed in version 6.67.0.
Which versions are affected by CVE-2026-105642?
3 open source packages ship an affected version, including ghost.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | From 6.56.0 | 6.67.0 |
ghost npm | From 6.56.0 | 6.67.0 |
ghost npm | From 6.56.0 | 6.67.0 |
How do I fix CVE-2026-105642?
Upgrade ghost to 6.67.0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-105642 being exploited?
There is no known exploitation of CVE-2026-105642 in the wild and no public exploit code.
Sources
Also known as BIT-ghost-2026-105642, GHSA-788w-68h3-cvxp, MINI-4mwv-4pm7-6jg2.