CVE-2026-54406
Received Received - Intake

Path Traversal in UniFi Network Application

Vulnerability report for CVE-2026-54406, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-02

Last updated on: 2026-07-02

Assigner: HackerOne

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 Scores

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Meta Information

Published
2026-07-02
Last Modified
2026-07-02
Generated
2026-07-02
AI Q&A
2026-07-02
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ubiquiti unifi_network_application *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Path Traversal flaw found in self-hosted instances of the UniFi Network Application. A malicious actor who already has network access and high privileges can exploit this vulnerability to escalate their write permissions on the host device.

Impact Analysis

Exploiting this vulnerability allows an attacker to gain elevated write permissions on the host device, which can lead to unauthorized modification or deletion of files, potentially disrupting services or compromising the integrity of the system.

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EPSS Chart