MEDIUMCVSS 4.8EPSS 0.2%

CVE-2026-70589

CVE-2026-70589 updated by NVD

Published: 2026-08-04
Modified: 2026-09-10
EPSS percentile: 7%
Sources: github-advisory, nvd

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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
npm	ghost	—	6.54.1

Remediation: Upgrade to 6.54.1 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-70589

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.