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10.0
CVE-2026-34908: UniFi OS: Unauthorized changes to system configuration
CVE-2026-34908
Summary
This vulnerability affects UniFi OS devices. If left unpatched, a malicious actor with access to the network could make unauthorized changes to the system, potentially disrupting network operations. To protect your devices, update UniFi OS to the latest version.
Original title
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.
Original description
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.
nvd CVSS3.1
10.0
Vulnerability type
CWE-284
Improper Access Control
Published: 22 May 2026 · Updated: 30 May 2026 · First seen: 22 May 2026