CVE-2026-25561

WeKan versions prior to 8.19 are affected by an authorization weakness in the attachment upload API. The endpoint does not fully validate that identifiers such as boardId, cardId, swimlaneId, and listId consistently refer to a coherent card/board relationship, enabling attachments to be uploaded ...

CVE-2026-25561 WeKan < 8.19 Attachment Upload Object Relationship Validation Bypass

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...