CVE-2026-71283

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 55/100
Published: 2026-08-05 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: Unchanged
C: None
I: High
A: None

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 Classification (1)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

4.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.43%
Raw Score 0.004340
Percentile 37.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00434
2026-10-28
0.00434

Intelligence Sources

nvd ref →