CVE-2026-34909

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account.

Affected products

Unifi Os

Ui Unifi Os Server

< 5.0.8

CVSS 3.1

10.0 CRITICAL

EPSS

62.8% (99th percentile)

Weakness

CWE-22

NVD status

Analyzed

Published

2026-05-22