TryGhost up to 5.130.5/6.10.x Staff Token authorization

Summaryinfo

A vulnerability has been found in TryGhost Ghost up to 5.130.5/6.10.x and classified as problematic. The impacted element is an unknown function of the component Staff Token Handler. Performing a manipulation results in authorization. This vulnerability was named CVE-2026-22595. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in TryGhost Ghost up to 5.130.5/6.10.x. It has been classified as problematic. This affects an unknown part of the component Staff Token Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on integrity, and availability. The summary by CVE is:

Ghost is a Node.js content management system. In versions 5.121.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost's handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints. This issue has been patched in versions 5.130.6 and 6.11.0.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-22595 since 01/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.130.6 or 6.11.0 eliminates this vulnerability. Applying the patch 9513d2a35c21067127ce8192443d8919ddcefcc8 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-1428). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• TryGhost

Name

• Ghost

Version

• 5.130.0
• 5.130.1
• 5.130.2
• 5.130.3
• 5.130.4
• 5.130.5
• 6.0
• 6.1
• 6.2
• 6.3
• 6.4
• 6.5
• 6.6
• 6.7
• 6.8
• 6.9
• 6.10

License

• open-source

Website

• Product: https://github.com/TryGhost/Ghost/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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