Path Traversal in Ubiquiti Inc Unifi Network Application

CVE-2026-54406

A malicious actor with access to the network and high privileges could exploit a Path Traversal vulnerability found in self-hosted instances of UniFi Network Application to escalate write permission on the host device.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54406?
CVE-2026-54406 is a high-severity vulnerability in Ubiquiti Inc Unifi Network Application, classified under Path Traversal. CVSS score: 8.7/10. Published 2026-07-02.
How severe is CVE-2026-54406?
High severity. CVSS v3 base score is 8.7 out of 10.