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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.004 (28.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-55118: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.