What is CVE-2026-55118?

CVE-2026-55118 is a high-severity vulnerability in Ubiquiti Inc Unifi Network Application, classified under Improper Access Control. CVSS score: 8.3/10. Published 2026-07-02.

How severe is CVE-2026-55118?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Ubiquiti Inc Unifi Network Application

CVE-2026-55118

A malicious actor with access to the network,low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Network Application.

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H.

Affected products

Ubiquiti Inc Unifi Network Application — versions 0
Ui Unifi_network_application

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-55118?: CVE-2026-55118 is a high-severity vulnerability in Ubiquiti Inc Unifi Network Application, classified under Improper Access Control. CVSS score: 8.3/10. Published 2026-07-02.
How severe is CVE-2026-55118?: High severity. CVSS v3 base score is 8.3 out of 10.