CVE-2026-71284
High · 7.2CVSS
7.2
EPSS
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Published
Aug 5, 2026
CISA due date
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The record
Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), takes the first extracted tar member's filename (tar_file_names[0]) and builds a shell command via string formatting. Because os.system invokes a shell and no quoting (shlex.quote, list-form subprocess) is applied, an admin uploading a crafted backup archive achieves arbitrary OS command execution.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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