CVE-2026-71284 Fledge IoT Gateway Backup Restore OS Command Injection via Tar Member Filename

Fledge's backup-restore upload handler, uploadbackup python/fledge/services/core/api/backuprestore.py, takes the first extracted tar member's filename tarfilenames0 and builds a shell command via string formatting. Because os.system invokes a shell and no quoting shlex.quote, list-form subprocess...