CVE-2026-70589 Details
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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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.
A vulnerability in the Ghost content management system for Node.js allows users to redeem subscription offers that are no longer active. This issue arises from a missing validation check and affects Ghost versions 4.22.0 prior to 6.54.1. The vulnerability has been addressed in Ghost version 6.54.1.
Users can update to Ghost version 6.54.1, which includes the necessary fix. For those using Docker, instructions for updating a Ghost instance are available in the Ghost documentation. Self-hosted Ghost instances installed with Ghost-CLI can also be updated to the latest version.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 4, 2026CISA-ADP
Assessed Aug 5, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb | [email protected] | Source CodeVendor |
| https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3 | [email protected] | AdvisoryRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Ghost | >= 4.22.0, < 6.54.1 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 5, 2026 | CVE Modified | CISA-ADP |
| Aug 4, 2026 | New CVE Received | [email protected] |