CVE-2026-70593

Severity CVSS v4.0:

Pending analysis

Type:

CWE-22 Path Traversal

Publication date:

04/08/2026

Last modified:

05/08/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.60 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): High
Availability (A): Low

Base Score 3.x

6.60

Severity 3.x

MEDIUM

CVE-2026-70593

Description

Impact

References to Advisories, Solutions, and Tools