SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-54405

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a Denial of Service (DoS) attack on the application.

HIGH 7.5EPSS 0.52%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). 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 Input Validation vulnerability found in UniFi Network Application to execute a Denial of Service (DoS) attack on the application.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.52% probability · 43th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
ui/unifi network application
Source
support@hackerone.com

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