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HIGH · 8.7

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 o...

Vulnerability 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.

CVSS Score

8.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
UiUnifi Network Application< 10.4.57

Related Weaknesses (CWE)

CWE-22

References

FAQ

What is CVE-2026-54406?

CVE-2026-54406 is a vulnerability with a CVSS score of 8.7 (HIGH). 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 o...

How severe is CVE-2026-54406?

CVE-2026-54406 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-54406?

Check the references section above for vendor advisories and patch information. Affected products include: Ui Unifi Network Application.