Improper Access Control Vulnerability in UniFi Access Application by Ubiquiti

CVE-2026-54400

What is CVE-2026-54400?

A vulnerability in the UniFi Access Application allows a high-privileged attacker with network access to exploit improper access control mechanisms, facilitating unauthorized privilege escalation on the host device. This poses risks to the integrity and confidentiality of the system, enabling malicious actors to gain elevated permissions and potentially compromise sensitive data.

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