CVE-2026-50186 4gaBoards: Path Traversal leading to Arbitrary File Read and Deletion in Board Export

4gaBoards is a boards system for realtime project management. Prior to 3.3.8, 4gaBoards allows an authenticated project manager to supply traversal sequences in the filename parameter of GET /exports/:id/:filename. In server/api/controllers/boards/download.js, the decoded inputs.filename value is...