Ubiquiti Inc Enterprise Firewall Core

• CVE-2026-77550 Critical 10.0 A malicious actor with access to the network could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass authentication to such UniFi O 0.8%
• CVE-2026-77549 Critical 9.0 A malicious actor with access to the network and under certain conditions could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass a 0.5%
• CVE-2026-77545 Critical 9.0 A malicious actor with access to the network, low privileges and under certain conditions could exploit an Active Debug Code vulnerability found in certain devices running UniFi OS to escalate privile 0.4%
• CVE-2026-77536 Critical 9.9 A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniF 0.4%
• CVE-2026-77534 Critical 9.9 A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniF 0.5%
• CVE-2026-55116 Critical 9.0 A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthori 0.4%
• CVE-2026-54401 High 7.7 A malicious actor with access to the network and low privileges could exploit a Server-Side Request Forgery (SSRF) to escalate privileges within such UniFi OS devices or instances. 0.4%
• CVE-2026-54402 Critical 9.9 A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi OS to execute a Command Injection on the host device. 1.8%
• CVE-2026-55110 High 7.5 A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that 0.3%
• CVE-2026-54404 High 8.8 A malicious actor with access to the network and low privileges could exploit a series of authenticated SQL Injection vulnerabilities found in UniFi OS to escalate privileges within such UniFi OS devi 0.5%
• CVE-2026-54403 High 8.6 A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances. 0.8%