CVE-2026-70593

Ghost: Theme Upload Path Traversal

Published Aug 4, 2026 CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Description
Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-cjc9-q5gf-327p Ghost: Theme Upload Path Traversal
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ghost
Ghost ghost
Vendors & Products Ghost
Ghost ghost
Type Values Removed Values Added
Description Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.
Title Ghost: Theme Upload Path Traversal
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 5, 2026, 2:28 PM
Reserved
Aug 4, 2026, 7:50 PM
Status
Deferred
Published
Aug 4, 2026, 10:17 PM
Modified
Oct 24, 2026, 3:10 PM