Vulnerability in Ubiquiti Inc Unifi Protect Application

CVE-2026-54407

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to bypass authentication in certain UniFi Protect Application API endpoints.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% 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-2026-54407: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54407?
CVE-2026-54407 is a high-severity vulnerability in Ubiquiti Inc Unifi Protect Application, classified under Improper Access Control. CVSS score: 8.6/10. Published 2026-07-02.
How severe is CVE-2026-54407?
High severity. CVSS v3 base score is 8.6 out of 10.