CVE-2026-1895 WeKan Attachment Storage lists.js applyWipLimit ListWIPBleed access control

A flaw has been found in WeKan up to 8.20. Affected is the function applyWipLimit of the file models/lists.js of the component Attachment Storage Handler. Executing a manipulation can lead to improper access controls. The attack can be executed remotely. Upgrading to version 8.21 is able to addre...