CVE-2026-53945

CVSS Score & Metrics

Base Score

4.0 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N                                    

Vulnerability Description

Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on internal networks through features that issue external fetches. This vulnerability is fixed in 6.21.1.

Vulnerability Details

Published Date

June 24, 2026

Last Modified

June 24, 2026

CWE ID

CWE-367

Source

NVD

Vendor

TryGhost

Product

Ghost

External References

https://github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

Discussion (0)

Add Comment