CVE-2026-70589 Ghost: Archived Offers can be Redeemed
Attackers can redeem expired subscription offers due to missing validation, allowing unauthorized access to paid content or features.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-70589?
CVE-2026-70589 is a medium-severity vulnerability in TryGhost Ghost, published on 4 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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 From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active.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.
Weakness: CWE-20
Which versions are affected by CVE-2026-70589?
3 open source packages ship an affected version, including ghost.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | From 4.22.0 | 6.54.1 |
ghost npm | From 4.22.0 | 6.54.1 |
ghost npm | From 4.22.0 | 6.54.1 |
How do I fix CVE-2026-70589?
Upgrade ghost to 6.54.1 or later.
Is CVE-2026-70589 being exploited?
There is no known exploitation of CVE-2026-70589 in the wild and no public exploit code.
Sources
Also known as BIT-ghost-2026-70589, GHSA-4wx2-7gvj-qfq3.