---
id: CVE-2026-105645
title: Ghost is a Node.js content management system
summary: >-
  Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a
  crafted request to the external media inliner could cause excessive CPU usage,
  making the Ghost server unresponsive. Exploiting this requires Administrator
  access.…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-1333
vendor: TryGhost
product: Ghost
affected:
  - 'Ghost >= 5.37.0, < 6.67.0'
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T20:17:13.013'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105645'
references:
  - url: >-
      https://github.com/TryGhost/Ghost/commit/88ae6d6d56f8a239cb38a8c89de02f034f50e2ce
    label: security-advisories@github.com
  - url: 'https://github.com/TryGhost/Ghost/issues/31058'
    label: security-advisories@github.com
  - url: 'https://github.com/TryGhost/Ghost/releases/tag/v6.66.0'
    label: security-advisories@github.com
  - url: 'https://github.com/TryGhost/Ghost/security/advisories/GHSA-9m4w-fmjw-fvjq'
    label: security-advisories@github.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-05T19:08:23.834511Z'
ingestedAt: '2026-10-05T19:30:59.981Z'
---

## Overview

Ghost is a Node.js content management system. From 5.37.0 until 6.67.0, a crafted request to the external media inliner could cause excessive CPU usage, making the Ghost server unresponsive. Exploiting this requires Administrator access. This issue is fixed in version 6.67.0.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.