SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

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.

HIGH 8.6EPSS 0.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS
0.45% probability · 38th percentile
CISA KEV
Not listed
Weakness
CWE-284
Affected
ui/unifi protect
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.