CVE-2026-70589

Ghost: Archived Offers can be Redeemed

State: Published
Severity: 4.8 Medium
Published: Aug 4, 2026
Updated: Aug 5, 2026
Reserved: Aug 4, 2026

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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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

Scores

CVSS	Score	Vector	Source
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
GhostTryGhost	>= 4.22.0, < 6.54.1Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.