CVE-2026-104417: Ghost 1.20.0 before 6.64.0 Path Traversal via Locale Setting

Published Oct 2, 2026
·
Updated

Ghost from 1.20.0 before 6.64.0 contains a path traversal vulnerability in theme translation file loading that allows authenticated administrators to read JSON files outside the active theme directory. Attackers can manipulate the locale setting to load JSON files elsewhere on the server, exposing server configuration secrets.

Affected Software

1 affected component
Ghost Ghost>=1.20.0<6.64.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Ghost to a version that resolves this vulnerability.

    Fixed in 6.64.0

Event History

Oct 2, 2026
CVE Published
via MITRE·11:37 AM
Data Sourced
via MITRE·11:37 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this vulnerability?

An authenticated Ghost administrator can exploit it. The issue is reachable over the network and does not require user interaction, but it requires administrator-level privileges.

2

What information could be exposed?

An attacker can read JSON files located outside the active theme directory by manipulating the locale setting. This may expose server configuration secrets stored in accessible JSON files.

3

Which Ghost versions are affected?

Ghost versions from 1.20.0 up to, but not including, 6.64.0 are affected.

Contact

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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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