CVE-2026-54406
HighCVSS 8.7Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
A Path Traversal vulnerability in self-hosted instances of UniFi Network Application allows an attacker with network access and high privileges to escalate write permissions on the host device.
Risk Assessment
An attacker could gain unauthorized write access to the host, potentially leading to full system compromise, configuration changes, or malware installation.
Recommendation
Immediately update UniFi Network Application to the latest patched version and restrict network access to the application to trusted hosts only.
Other vulnerabilities in UniFi Network Application
See all- CVE-2026-54405High
A vulnerability in UniFi Network Application allows an attacker with network access to execute a Denial of Service (DoS) attack through improper input validation.
- CVE-2026-77541Critical
An attacker with network access and high privileges can exploit an improper access control vulnerability in the UniFi Network Application to escalate privileges within the application.
- CVE-2026-77535Critical
An attacker with network access and high privileges could exploit an Improper Input Validation vulnerability in UniFi Network Application to execute a Command Injection on an adopted device.
- CVE-2026-56842High
An Incorrect Authorization vulnerability in UniFi Network Application allows a malicious actor with network access to persist privileges after such access has been removed, under certain conditions.
- CVE-2026-55118High
A vulnerability in UniFi Network Application allows privilege escalation by an attacker with network access and low privileges, under certain conditions. The issue stems from improper access control.
- CVE-2026-55114High
A vulnerability in UniFi Network Application allows an attacker with network access and low privileges to escalate privileges through improper access control.
Original NVD description (English source)
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.