CVE-2026-70589 PUBLISHED

Ghost: Archived Offers can be Redeemed

Assigner: GitHub_M
Reserved: 04.08.2026 Published: 04.08.2026 Updated: 05.08.2026

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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	TryGhost
Product	Ghost
Versions	Version >= 4.22.0, < 6.54.1 is affected

References

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

Problem Types

CWE-20: Improper Input Validation CWE