CVE-2026-105677: Ghost: Remote Code Execution via Theme Translation Files

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-05 · updated 2026-10-06
Weakness: CWE-22

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.

Affected products

TryGhost Ghost: from 6.10.3, < 6.64.0

References

https://github.com/TryGhost/Ghost/commit/d2f498694be549074dd5817fd0e8a1371b65df02
https://github.com/TryGhost/Ghost/issues/30635
https://github.com/TryGhost/Ghost/releases/tag/v6.64.0
https://github.com/TryGhost/Ghost/security/advisories/GHSA-jj74-hc2q-xrvm

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