freescout-help-desk freescout up to 1.8.214 ThreadPolicy::edit authorization

Summaryinfo

A vulnerability classified as critical was found in freescout-help-desk freescout up to 1.8.214. The affected element is the function ThreadPolicy::edit. Executing a manipulation can lead to authorization. This vulnerability is registered as CVE-2026-41189. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in freescout-help-desk freescout up to 1.8.214. It has been declared as critical. This vulnerability affects the function ThreadPolicy::edit. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, customer-thread editing is authorized through `ThreadPolicy::edit()`, which checks mailbox access but does not apply the assigned-only restriction from `ConversationPolicy`. A user who cannot view a conversation can still load and edit customer-authored threads inside it. Version 1.8.215 fixes the vulnerability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-41189 since 04/18/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

Upgrading to version 1.8.215 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch cdadaf621bb1e1d017315df20d743671f7eae7a9 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• freescout-help-desk

Name

• freescout

Version

• 1.8.214

License

• open-source

Website

• Product: https://github.com/freescout-help-desk/freescout/

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Once again VulDB remains the best source for vulnerability data.

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