PT-2026-52069 · Tryghost · Ghost

Published

2026-06-24

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Updated

2026-06-24

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CVE-2026-53945

CVSS v3.1

4.0

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
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.

Fix

SSRF

Time Of Check To Time Of Use

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Weakness Enumeration

Related Identifiers

CVE-2026-53945

Affected Products

Ghost