VULNERABILITY INTELLIGENCE

CVE-2026-34908

CVSS score10 CRITICAL

EPSS probability88.29%

CISA KEVKnown exploited vulnerability

Published2026-05-22

Last modified2026-07-23

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Known Exploited Vulnerability

Ubiquiti UniFi OS Improper Access Control Vulnerability

Vendor / product: Ubiquiti / UniFi OS

Description

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.

Weakness classification

CWE-284: Improper Access Control

Primary references

support@hackerone.com — Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Third Party Advisory