CVE-2026-1894 WeKan REST API checklistItems.js Checklist REST Bleed improper authorization
Remote attackers can bypass authorization checks in the WeKan REST API to access or modify checklist items 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-2026-1894?
CVE-2026-1894 is a medium-severity missing authorization vulnerability in WeKan, published on 4 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in WeKan up to 8.20. This impacts an unknown function of the file models/checklistItems.js of the component REST API. Performing a manipulation of the argument item.cardId/item.checklistId/card.boardId results in improper authorization. Remote exploitation of the attack is possible. Upgrading to version 8.21 will fix this issue. The patch is named 251d49eea94834cf351bb395808f4a56fb4dbb44. Upgrading the affected component is recommended.
Which versions are affected by CVE-2026-1894?
It affects 1 product.
Products include Wekan Project Wekan.
How do I fix CVE-2026-1894?
No fix has been published for CVE-2026-1894 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-2026-1894 being exploited?
There is no known exploitation of CVE-2026-1894 in the wild and no public exploit code.
Other vulnerabilities in WeKan
- CVE-2026-30843 Wekan has Cross-Board IDOR in Custom Fields Update Endpoints
- CVE-2026-30844 Wekan Vulnerable to SSRF through Lack of Validation or Filtering in Attachment URL Loading
- CVE-2026-30847 Wekan Credential Leak via notificationUsers Publication Exposes Password Hashes and Session Tokens
- CVE-2025-65780 Missing authorization in n/a
- CVE-2026-30846 Wekan Exposes All Global Webhook Integrations through globalwebhooks Publication
Sources
Also known as GHSA-qww9-42v6-p5rh.