What is CVE-2026-71283?

CVE-2026-71283 is a medium-severity vulnerability in Fledge-Iot Fledge, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-08-05.

How severe is CVE-2026-71283?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Fledge-Iot Fledge

CVE-2026-71283

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")).

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Fledge-iot Fledge — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)

Frequently asked questions

What is CVE-2026-71283?: CVE-2026-71283 is a medium-severity vulnerability in Fledge-Iot Fledge, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-08-05.
How severe is CVE-2026-71283?: Medium severity. CVSS v3 base score is 4.9 out of 10.