CVE-2026-22559

HIGH

UniFi Network Server <10.1.89 - Auth Bypass

Title source: llm
STIX 2.1

Description

An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access to an account if the account owner is socially engineered into clicking a malicious link. Affected Products: UniFi Network Server (Version 10.1.85 and earlier) Mitigation: Update UniFi Network Server to Version 10.1.89 or later.

References (1)

Scores

CVSS v3 8.8
EPSS 0.0003
EPSS Percentile 8.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (1)
Ubiquiti Inc/UniFi Network Server 10.1.89
Published Mar 24, 2026
Tracked Since Mar 25, 2026