---
id: CVE-2026-70589
title: Ghost is a Node.js content management system
summary: >-
  Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a
  missing validation check allowed users to redeem subscription offers that were
  no longer active. This issue is fixed in version 6.54.1.
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-20
vendor: ghost
product: ghost
affected:
  - 'ghost >= 4.22.0, < 6.54.1'
patched:
  - ghost 6.54.1
published: '2026-08-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:51:43.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70589'
references:
  - url: >-
      https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb
    label: security-advisories@github.com
  - url: 'https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3'
    label: security-advisories@github.com
  - url: 'https://github.com/advisories/GHSA-4wx2-7gvj-qfq3'
tags:
  - nvd
  - ghsa
  - npm
epss: 0.0027
epssPercentile: 0.16987
aliases:
  - GHSA-4wx2-7gvj-qfq3
ecosystem: npm
ingestedAt: '2026-08-04T21:42:19.488Z'
---

## Overview

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.

## Remediation

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

## Package advisory (CVE-2026-70589)

Affected packages:

- `ghost >= 4.22.0, < 6.54.1`

Patched in:

- `ghost 6.54.1`

Source: https://github.com/advisories/GHSA-4wx2-7gvj-qfq3