CVE-2026-54406: Path Traversal
Published Jul 2, 2026
·Updated
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.
Affected Software
2 affected components
Ubiquiti UniFi Network Application
UI Unifi Network Application<10.4.57
Event History
Jul 2, 2026
CVE Published
via MITRE·02:49 PM
Data Sourced
via MITRE·02:49 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-54406?
The severity of CVE-2026-54406 is rated high with a score of 8.7.
2
How do I fix CVE-2026-54406?
To fix CVE-2026-54406, ensure that you update your Ubiquiti UniFi Network Application to the latest patched version.
3
What kind of vulnerability is CVE-2026-54406?
CVE-2026-54406 is a Path Traversal vulnerability that allows for escalation of write permissions.
4
Who is affected by CVE-2026-54406?
CVE-2026-54406 affects self-hosted instances of Ubiquiti UniFi Network Application.
5
What could an attacker achieve by exploiting CVE-2026-54406?
An attacker could escalate write permissions on the host device if they have high privileges and network access.