CVE-2026-55110EPSS p4.5%

CVE-2026-55110CVE-2026-55110

ui / unifi_os_server

Description

A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.15% probability of exploitation · percentile 4.5% · 2026-08-16T12:03:43Z
Last modified2026-07-09
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.