CVE-2026-70589
Medium
Description
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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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.
SeverityMedium
CVSS4.8
Exploit probability—
Product
Ghost
PublishedAug 4, 2026
First seenAug 4, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- ghost6.54.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ghostnpm | 4.22.0 ≤ v < 6.54.1 | 6.54.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.