CVE-2026-111667 [MEDIUM] – REBUILD through 4.5.0 contains a missing authorization vulnerability in TaskCommentControl

REBUILD through 4.5.0 contains a missing authorization vulnerability in TaskCommentController.commentList that allows authenticated low-privileged users to read task comments without project membership checks. Attackers can supply the id of a task in a private project to the /project/comments/list endpoint to retrieve its comment content and attachment references.