SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-55113

A malicious actor with access to the network could exploit a Server-Side Request Forgery (SSRF) vulnerability found in UniFi Talk Application to execute a Denial of Service (DoS) attack and bypass authentication in certain UniFi Talk API endpoints.

HIGH 7.5EPSS 0.37%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). 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 a Server-Side Request Forgery (SSRF) vulnerability found in UniFi Talk Application to execute a Denial of Service (DoS) attack and bypass authentication in certain UniFi Talk API endpoints.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H
EPSS
0.37% probability · 30th percentile
CISA KEV
Not listed
Weakness
CWE-918
Affected
ui/unifi talk application
Source
support@hackerone.com

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