CVE-2026-70589

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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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

CVSS Vector

References

• https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb
• https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3