CVE-2026-1896 WeKan Migration Operation comprehensiveBoardMigration.js ComprehensiveBoardMigration MigrationBleed access control
Remote attackers can bypass access controls in the migration handler to read or modify board data in WeKan.
- 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-2026-1896?
CVE-2026-1896 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 has been found in WeKan up to 8.20. Affected by this vulnerability is the function ComprehensiveBoardMigration of the file server/migrations/comprehensiveBoardMigration.js of the component Migration Operation Handler. The manipulation of the argument boardId leads to improper access controls. The attack is possible to be carried out remotely. Upgrading to version 8.21 addresses this issue. The identifier of the patch is cc35dafef57ef6e44a514a523f9a8d891e74ad8f. Upgrading the affected component is advised.
Which versions are affected by CVE-2026-1896?
It affects 1 product.
Products include Wekan Project Wekan.
How do I fix CVE-2026-1896?
No fix has been published for CVE-2026-1896 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-2026-1896 being exploited?
There is no known exploitation of CVE-2026-1896 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-7w2c-4c42-p32w.