CVE-2026-59817

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.

PUBLISHED Reserved 2026-07-07 | Published 2026-07-09 | Updated 2026-07-14 | Assigner GitHub_M

Problem types

CWE-472: External Control of Assumed-Immutable Web Parameter

CWE-639: Authorization Bypass Through User-Controlled Key

Product status

References

github.com/.../Ghost/security/advisories/GHSA-xm43-3m56-w3wf

github.com/TryGhost/Ghost/pull/28351

github.com/TryGhost/Ghost/pull/28352

github.com/...ommit/cab716cd015ac04b7ee50c7a405478d97bc7b1e0

github.com/...ommit/ee7b991b466a7849c70f9d1caed8e491ee4113c6

cve.org (CVE-2026-59817)

nvd.nist.gov (CVE-2026-59817)

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