CVE-2026-59817 Ghost: Paid gift memberships obtainable at minimal cost via the donations feature
An attacker can exploit the donation checkout flow to obtain paid gift memberships for minimal cost, bypassing intended payment logic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-59817?
CVE-2026-59817 is a medium-severity vulnerability in TryGhost Ghost, published on 9 Jul 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 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing money from a site or its members. This issue is fixed in version 6.44.0.
Which versions are affected by CVE-2026-59817?
3 open source packages ship an affected version, including ghost.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | From 6.27.0 | 6.44.0 |
ghost npm | From 6.27.0 | 6.44.0 |
ghost npm | From 6.27.0 | 6.44.0 |
How do I fix CVE-2026-59817?
Upgrade ghost to 6.44.0 or later.
Is CVE-2026-59817 being exploited?
There is no known exploitation of CVE-2026-59817 in the wild and no public exploit code.
Sources
Also known as BIT-ghost-2026-59817, GHSA-xm43-3m56-w3wf.