CVE-2026-2208 WeKan Rules rules.js RulesBleed authorization

Medium 5.3 Published 8 Feb 2026 Updated 23 Feb 2026

Remote attackers can bypass authorization checks in the WeKan Rules Handler, potentially accessing restricted functionality without proper permissions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-2208?

CVE-2026-2208 is a medium-severity missing authorization vulnerability in WeKan, published on 8 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security vulnerability has been detected in WeKan up to 8.20. Impacted is an unknown function of the file server/publications/rules.js of the component Rules Handler. The manipulation leads to missing authorization. The attack can be initiated remotely. Upgrading to version 8.21 is recommended to address this issue. The identifier of the patch is a787bcddf33ca28afb13ff5ea9a4cb92dceac005. The affected component should be upgraded.

Weakness: CWE-863, CWE-862

Which versions are affected by CVE-2026-2208?

It affects 1 product.

Products include Wekan Project Wekan.

How do I fix CVE-2026-2208?

No fix has been published for CVE-2026-2208 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-2208 being exploited?

There is no known exploitation of CVE-2026-2208 in the wild and no public exploit code.

Sources

Also known as GHSA-wxr4-4cp2-2mqr.