Fledge IoT Gateway Backup Restore Tar Path Traversal
Published Aug 5, 2026
4.9
MEDIUMCVSS 3.1
EPSS 0.43%
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")).
Affected products
-
- Version 0StatusaffectedConstraints<=3.1.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Fledge-Iot | Fledge | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Aug 5, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00434) | 35.34th | v5 (v2026.06.15) |
| Aug 6, 2026 | 0.29% (0.00286) | 20.74th | v5 (v2026.06.15) |
References (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
| Link | Providers | Tags |
|---|---|---|
| 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 |
Change history (0)
No recorded changes yet.