Command Injection in UniFi Access Application

Publication date: 2026-07-02

Last updated on: 2026-07-09

Assigner: HackerOne

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-02

Last Modified

2026-07-09

Generated

2026-07-22

AI Q&A

2026-07-02

EPSS Evaluated

2026-07-21

NVD

CVE-2026-50748

EUVD

EUVD-2026-41384

Affected Vendors & Products

Vendor	Product	Version / Range
ui	unifi_access_application	to 4.2.29 (exc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This vulnerability is an Improper Input Validation issue found in the UniFi Access Application. A malicious actor who has network access and low privileges can exploit this flaw to perform Command Injection on the host device.

Impact Analysis

Exploiting this vulnerability allows an attacker to execute arbitrary commands on the host device with potentially high impact. This can lead to complete compromise of confidentiality, integrity, and availability of the affected system.

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