CVE-2026-77551 PUBLISHED

Assigner: Ubiquiti
Reserved: 20.08.2026 Published: 26.08.2026 Updated: 26.08.2026

A malicious actor with access to the network and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Connect Display Cast Pro to escalate privileges on the device.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Ubiquiti Inc
Product	UniFi Connect Display Cast Pro
Versions	Default: unaffected affected from 0 to 1.0.111 (excl.)

References

https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9

Problem Types

CWE-284 Improper Access Control - Generic CWE