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Vulnerability · Published Jul 9, 2026 · Assigned by GitHub_M

CVE-2026-59817Ghost: Paid gift memberships obtainable at minimal cost via the donations feature

Medium 5.3

In plain English

A medium-severity authorization bypass via user-controlled key in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 65.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmghost6.44.0GHSA-xm43-3m56-w3wf

Affected products (as reported)

VendorProductVersions
TryGhost Ghost >= 6.27.0, < 6.44.0

Weakness: CWE-472, CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References