Security Advisory

CVE-2026-25561

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-07 21:56:52

Last updated 2026-05-11 23:11:10

Assigner VulnCheck

State PUBLISHED

Description

WeKan versions prior to 8.19 contain an authorization weakness in the attachment upload API. The API does not fully validate that provided identifiers (such as boardId, cardId, swimlaneId, and listId) are consistent and refer to a coherent card/board relationship, enabling attempts to upload attachments with mismatched object relationships.

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