CVE-2026-54406: CWE-22 Path Traversal in Ubiquiti Inc UniFi Network Application
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-54406) involves a CWE-22 Path Traversal issue in the UniFi Network Application by Ubiquiti Inc. It allows a malicious actor who already has high privileges and network access to perform path traversal attacks, potentially escalating write permissions on the host device. The CVSS v3.1 base score is 8.7, indicating a high severity with network attack vector, low attack complexity, no user interaction required, and impacts on integrity and availability. No vendor advisory or patch information is currently available.
Potential Impact
Exploitation of this vulnerability could allow an attacker with high privileges on the network to escalate write permissions on the host device running the UniFi Network Application. This could lead to unauthorized modification of files and disruption of service, impacting system integrity and availability. Confidentiality impact is not indicated.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to trusted users with high privileges and monitor for suspicious activity related to file system access.
CVE-2026-54406: CWE-22 Path Traversal in Ubiquiti Inc UniFi Network Application
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 v3.1
Score 8.7high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-54406) involves a CWE-22 Path Traversal issue in the UniFi Network Application by Ubiquiti Inc. It allows a malicious actor who already has high privileges and network access to perform path traversal attacks, potentially escalating write permissions on the host device. The CVSS v3.1 base score is 8.7, indicating a high severity with network attack vector, low attack complexity, no user interaction required, and impacts on integrity and availability. No vendor advisory or patch information is currently available.
Potential Impact
Exploitation of this vulnerability could allow an attacker with high privileges on the network to escalate write permissions on the host device running the UniFi Network Application. This could lead to unauthorized modification of files and disruption of service, impacting system integrity and availability. Confidentiality impact is not indicated.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to trusted users with high privileges and monitor for suspicious activity related to file system access.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hackerone
- Date Reserved
- 2026-06-13T15:00:00.605Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a46823a27e9c797199030ea
Added to database: 07/02/2026, 15:22:34 UTC
Last enriched: 07/02/2026, 15:40:13 UTC
Last updated: 07/03/2026, 03:26:56 UTC
Views: 7
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