Medium severity · published Oct 2, 2026
CVE-2026-104417
Ghost 1.20.0 before 6.64.0 Path Traversal via Locale Setting
4.9
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghost · TryGhost
1.20.0 before 6.64.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104417
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104417
vendor-advisory
https://github.com/TryGhost/Ghost/security/advisories/GHSA-m382-6jw4-fmp6
third-party-advisory
https://www.vulncheck.com/advisories/ghost-1.20.0-before-6.64.0-path-traversal-via-locale-setting
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