Vulnerability GHSA-m382-6jw4-fmp6

Medium Risk
MEDIUM RISK
CVSS Score: 4.9
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
1 day ago
October 07, 2026 at 08:26 PM UTC
Ghost: Path Traversal via Locale Setting
1.20.0 - 6.63.0
1.20.0 - 6.63.0

Summary

Ghost: Path Traversal via Locale Setting

Details

Impact

A vulnerability in how Ghost loads theme translation files allowed an authenticated Administrator to read JSON files outside of the active theme's directory, potentially exposing server configuration secrets.

Vulnerable versions

This vulnerability is present in Ghost from v1.20.0 up to v6.64.0.

Patches

v6.64.0 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

References

Ghost thanks Miguel Segovia Gil of KPMG and Nguyễn Quốc Đồng for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email us at [email protected].

Impacted packages

Timeline

Published
1 day ago
October 07, 2026 at 08:26 PM UTC
Fixed (6.64.0)
Unknown
Unknown
Last Modified
4 hours ago
October 09, 2026 at 12:10 PM UTC