CVE-2026-105677 Ghost: Remote Code Execution via Theme Translation Files
An authenticated Administrator can execute arbitrary code on the server by uploading a crafted theme with malicious translation files.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-105677?
CVE-2026-105677 is a high-severity code injection vulnerability in TryGhost Ghost, published on 5 Oct 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 6.10.3 until 6.64.0, a vulnerability in how Ghost loads theme translation files allowed an authenticated Administrator to execute arbitrary code on the server via a crafted theme. This issue is fixed in version 6.64.0.
Which versions are affected by CVE-2026-105677?
How do I fix CVE-2026-105677?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-105677 being exploited?
There is no known exploitation of CVE-2026-105677 in the wild and no public exploit code.
Sources
Also known as MINI-4mgc-vr6q-jh3q.