CVE-2026-54406 Path traversal in UniFi Network Application
High-privilege network attackers can exploit path traversal in UniFi Network Application to escalate write permissions on the host.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-54406?
CVE-2026-54406 is a high-severity path traversal vulnerability in Ubiquiti Inc UniFi Network Application, published on 2 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-54406?
It affects 1 product.
Products include Ui Unifi Network Application.
How do I fix CVE-2026-54406?
No fix has been published for CVE-2026-54406 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-54406 being exploited?
There is no known exploitation of CVE-2026-54406 in the wild and no public exploit code.
Other vulnerabilities in Ubiquiti Inc UniFi Network Application
- CVE-2023-41721 Missing authorization in UniFi Network Application
- CVE-2023-28365 Command injection in UniFi Network application
- CVE-2026-55114 Privilege escalation in UniFi Network Application
- CVE-2026-55118 Privilege escalation in UniFi Network Application
- CVE-2024-42025 Command injection in UniFi Network Application
Sources
Also known as GHSA-h9fm-m325-j8cf.