🛡️ CVE-2026-50748 — unifi-access-application

🔴 CVSS 9.9 — Critical ✅ No Known Exploit CWE-20 NVD
9.9
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-50748 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2026-50748 is recorded against 1 package.

  • unifi-access-application (fixed in 4.2.29)

Timeline and source

Published on 2 July 2026 and last revised on 9 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

community.ui.com

Details

Severity CRITICAL
CVSS Score 9.9
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2026-07-02
Updated 2026-08-11
Modified 2026-07-09
Fix URL N/A

Affected Packages

Software From version Fixed in
unifi-access-application — 4.2.29

Similar Threats

Exploit Protection

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