CVE-2026-25564 WeKan < 8.19 Checklist Deletion IDOR via Missing Relationship Validation

High 7.1 Published Updated

Attackers can delete checklists on other boards by manipulating identifiers due to missing relationship validation 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-2026-25564?

CVE-2026-25564 is a high-severity missing authorization vulnerability in WeKan, published on 7 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

WeKan versions prior to 8.19 contain an insecure direct object reference (IDOR) in checklist creation and related checklist routes. The implementation does not verify that the supplied cardId belongs to the supplied boardId, allowing cross-board ID tampering by manipulating identifiers.

Weakness: CWE-639

Which versions are affected by CVE-2026-25564?

It affects 1 product.

Products include Wekan Project Wekan.

How do I fix CVE-2026-25564?

No fix has been published for CVE-2026-25564 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-2026-25564 being exploited?

There is no known exploitation of CVE-2026-25564 in the wild and no public exploit code.

Sources

Also known as GHSA-xc4h-36v7-xrrw.

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