CVE-2026-104417

MEDIUM 4.9

Ghost 1.20.0 before 6.64.0 Path Traversal via Locale Setting

CVSS Score

4.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	tryghost
Product	ghost
Published	Oct 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

TryGhost / Ghost

1.20.0 < 6.64.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/TryGhost/Ghost/security/advisories/GHSA-m382-6jw4-fmp6 vulncheck.com: https://www.vulncheck.com/advisories/ghost-1.20.0-before-6.64.0-path-traversal-via-locale-setting

Credits

🔍 DONG2209 🔍 msegoviag