← Vulnerability feed

Vulnerability record · CVE-2026-50748 · published 2 July 2026

CVE-2026-50748: Ui unifi access improper input validation vulnerability

Ui · Unifi Access

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.

9.9 CVSS 3.1 Critical EPSS 1.6% · top 24.8% CWE-20 · Improper input validation
9.9CVSS 3.1 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Aug 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc Vendor Advisory

Track CVE-2026-50748 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-52665Ui unifi access missing authentication for critical function vulnerabilityA malicious actor with access to the management network could exploit a misconfiguration in UniFi’s door access application, UniFi Access, that expos…EPSS 41%9.1CVE-2026-54400Ui unifi access improper access control vulnerabilityA malicious actor with access to the network and high privileges could exploit an Improper Access Control vulnerability found in UniFi Access Applica…EPSS 0.52%8.6CVE-2026-55117Ui unifi access path traversal vulnerabilityA malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi Access Application to access files on the ho…EPSS 0.56%9.5CVE-2026-88771Citrix netscaler application delivery controller improper input validation vulnerabilityImproper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-…KEV9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 1.1%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 58%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2026-50748), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.