PT-2026-52068

CVE-2026-53944

Published

2026-06-24

Updated

2026-08-04

Description by

CVSS 3.1

5.8

Medium

MetricsAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Ghost versions 6.0.9 through 6.21.0

Description Ghost is a Node.js content management system. An issue exists where the IP filter designed to prevent external requests from reaching internal services can be bypassed. This is achieved by using an IPv6 literal that maps to a private IPv4 address.

Recommendations Update Ghost to version 6.21.1.

Exploitability

Exploit

Fix

Impacts

Vendors

Affected products

Weakness enumeration

CWE-184: Incomplete List of Disallowed Inputs

CWE-918: Server-Side Request Forgery (SSRF)

Related identifiers

CVE-2026-53944