CVE-2026-59815 Joplin: Pending share recipients can write items into shared folders before accepting invitations

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's ItemModel.checkIfAllowed authorizes writes to items with a share ID when any shareusers row exists for the caller, without requiring ShareUserStatus.Accepted. ...