Vulnerability details
CVE-2026-71284
fledge-iot fledge
Fledge IoT Gateway Backup Restore OS Command Injection via Tar Member Filename
CVSS 3.1
7.2High
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.2High | 3.1 | CVEProject cvelistV5 (CNA) (TuranSec) | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| fledge-iot | fledge | v ≤ 3.1.0 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://github.com/fledge-iot/fledge third-party-advisory
- https://github.com/fledge-iot/fledge/blob/main/python/fledge/services/core/api/backup_restore.py third-party-advisory
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Details
- Published
- 2026-08-05
- Last updated
- 2026-08-10
- State
- Published
- Assigner (CNA)
- TuranSec
Exploit prediction (EPSS)
0.91%
Probability of exploitation in 30 days
60.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78