CVE-2026-77537
Received Received - Intake

Improper Input Validation in UniFi Protect Application Leads to Command Injection

Vulnerability report for CVE-2026-77537, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

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 could exploit an Improper Input Validation vulnerability found in UniFi Protect Application to execute a Command Injection on the host device.

CVSS Scores

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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
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ubiquiti unifi_protect_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.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Command Injection flaw in the UniFi Protect Application caused by Improper Input Validation. A malicious actor on the same network could exploit it to execute arbitrary commands on the affected device with high privileges.

Impact Analysis

An attacker could gain full control of the host device running UniFi Protect, potentially stealing data, installing malware, or disrupting operations. Since the flaw allows remote command execution, it poses a severe risk to system integrity and confidentiality.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face legal penalties, reputational damage, and mandatory breach notifications if exploited.

Mitigation Strategies

Immediately update the UniFi Protect Application to the latest patched version to address the Command Injection vulnerability. Isolate affected systems from the network if possible and restrict access to trusted users only. Monitor network traffic for unusual activity and apply network segmentation to limit potential exploitation.

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