CVE-2026-77546
Received Received - Intake

Command Injection in UniFi Access Application

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: fe490ce8-0395-4072-90d8-2707e1bdf984

Description
A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
CVE-2026-77546
EUVD
EUVD-2026-66391

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This vulnerability is a Command Injection flaw in the UniFi Access Application. It allows a low-privilege attacker with network access to execute arbitrary commands on the host device by exploiting improper input validation.

Impact Analysis

An attacker could gain full control over the affected device, leading to potential data theft, system compromise, or further network infiltration. This could disrupt operations or expose sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties or reputational damage.

Mitigation Strategies

Update the UniFi Access Application to the latest patched version immediately. Restrict network access to the application to trusted users only. Monitor network traffic for suspicious command injection attempts.

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