Improper Input Validation in UniFi Network Server by Ubiquiti
CVE-2026-22559

8.8HIGH

Key Information:

Vendor

Ubiquiti Inc

Status
Unifi Network Server
Vendor
CVE Published:
24 March 2026

What is CVE-2026-22559?

A vulnerability in the UniFi Network Server affects versions 10.1.85 and earlier, allowing unauthorized account access through social engineering tactics. Attackers may exploit this by tricking users into clicking malicious links, potentially leading to severe security breaches. It is essential to update the UniFi Network Server to version 10.1.89 or later to mitigate this risk.

Affected Version(s)

UniFi Network Server 10.1.89

References

https://community.ui.com/releases/Security-Advisory-Bulle...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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