# Ghost authorization bypass in comment like feature

Source: https://junglewise.ai/threats/duplicate-advisory-ghost-authorization-bypass-in-comment-like-feature-5ea74582  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-01. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 6.5 · Published 2026-10-01

Ghost is an open-source publishing platform used for content management and blogs. An authenticated user can delete comment likes and dislikes belonging to other users through an input validation flaw, allowing them to manipulate comment engagement data without authorization.

Technologies: [Ghost](https://junglewise.ai/threats/technologies/ghost-ghost), [ghost (npm)](https://junglewise.ai/threats/technologies/ghost). Vendors: [Ghost](https://junglewise.ai/threats/vendors/ghost), [npm](https://junglewise.ai/threats/vendors/npm).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Medium severity, with a CVSS score of 6.5, published 1 October 2026.

**Which products and versions are affected?** Ghost 5.9.0 before 6.44.1; ghost (npm) >= 5.9.0, < 6.44.1, SEMVER:introduced=5.9.0,fixed=6.44.1.

**Is there a fix for This vulnerability?** Yes. ghost (npm): upgrade to 6.44.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is This vulnerability attacked?** It is attacked over the network, in a web application.

**Am I affected?** Check whether you run Ghost or ghost (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- ghost (npm): upgrade to 6.44.1 or later

  ```sh
  npm install ghost@6.44.1
  ```


## Technical details

The vulnerability is an authorization bypass (CWE-639) in Ghost's comment like feature caused by insufficient input validation. An authenticated member with low privileges can delete comment likes or dislikes belonging to other users by sending crafted requests. The attack requires network access and valid authentication credentials but no additional user interaction.

## Affected products

- Ghost Ghost 5.9.0 before 6.44.1

## Timeline

- 2026-10-01: disclosed
- 2026-10-01: patched: Fix released in version 6.44.1

## References

- [https://api.github.com/users/assakafpix](https://api.github.com/users/assakafpix)

## Related threats

- [Ghost: Path Traversal Vulnerability in Ghost ImageSize Service](https://junglewise.ai/threats/cve-2026-105683-ghost-is-a-node-js-content-management-system-from-6-14-0-until-6)
- [Ghost: Server-Side Request Forgery in Webhook Trigger](https://junglewise.ai/threats/cve-2026-105682-ghost-is-a-node-js-content-management-system-from-1-18-0-until-6)
- [Ghost input validation bypass in comments access control](https://junglewise.ai/threats/cve-2026-105681-ghost-is-a-node-js-content-management-system-from-5-9-0-until-6)
- [Ghost authorization bypass in post deletion](https://junglewise.ai/threats/cve-2026-105680-ghost-is-a-node-js-content-management-system-from-5-81-0-until-6)
- [Ghost content type validation bypass in local file storage](https://junglewise.ai/threats/cve-2026-105679-ghost-is-a-node-js-content-management-system-from-6-22-1-until-6)