CVE-2026-71283 Fledge IoT Gateway Backup Restore Tar Path Traversal
An admin can exploit path traversal in the backup restore handler to execute arbitrary code or read sensitive files via a malicious tar archive.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71283?
CVE-2026-71283 is a medium-severity path traversal vulnerability in fledge-iot fledge, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. Requires the admin role (@has_permission("admin")).
Weakness: CWE-22
Which versions are affected by CVE-2026-71283?
How do I fix CVE-2026-71283?
No fix has been published for CVE-2026-71283 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-71283 being exploited?
There is no known exploitation of CVE-2026-71283 in the wild and no public exploit code.
Sources
Also known as GHSA-qc6r-chrx-m659.