CVE-2026-77557

Deferred Deferred - Pending Action

Improper Access Control in UniFi Protect AI Key

Publication date: 2026-08-26

Last updated on: 2026-08-28

Assigner: fe490ce8-0395-4072-90d8-2707e1bdf984

Description

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect AI Key to escalate privileges on the device.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-26

Last Modified

2026-08-28

Generated

2026-09-16

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-14

NVD

CVE-2026-77557

EUVD

EUVD-2026-66404

Affected Vendors & Products

Vendor	Product	Version / Range
ubiquiti	unifi_protect_ai_key	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an Improper Access Control flaw in UniFi Protect AI Key. A malicious actor with network access could exploit it to escalate privileges on the device.

Impact Analysis

An attacker could gain unauthorized control over the UniFi Protect AI Key device, potentially accessing sensitive data or disrupting operations.

Compliance Impact

This vulnerability could lead to unauthorized access and privilege escalation, potentially exposing sensitive data. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) by enabling unauthorized data access or disclosure.

Mitigation Strategies

Immediately restrict network access to UniFi Protect AI Key devices to trusted sources only. Update the device firmware to the latest version if a patch is available. Monitor network traffic for unusual privilege escalation attempts.

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