Ubiquiti Inc Cloud Gateways vulnerabilities

CVE-2026-77550 [CRITICAL] CWE-93 CVE-2026-77550: A malicious actor with access to the network could exploit an Improper Neutralization of CRLF Sequen 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 OS devices or instances.

CVE-2026-77534 [CRITICAL] CWE-284 CVE-2026-77534: A malicious actor with access to the network and low privileges could exploit an Improper Access Con 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 UniFi OS devices or instances.

CVE-2026-77536 [CRITICAL] CWE-284 CVE-2026-77536: A malicious actor with access to the network and low privileges could exploit an Improper Access Con 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 UniFi OS devices or instances.

CVE-2026-54402 [HIGH] CWE-20 CVE-2026-54402: A malicious actor with access to the network and low privileges could exploit an Improper Input Vali 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.

CVE-2026-54403 [HIGH] CWE-22 CVE-2026-54403: A malicious actor with access to the network could exploit a Path Traversal vulnerability found in c 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.

CVE-2026-77549 [CRITICAL] CWE-93 CVE-2026-77549: A malicious actor with access to the network and under certain conditions could exploit an Improper 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 authentication to such UniFi OS devices or instances.

CVE-2026-55116 [CRITICAL] CWE-284 CVE-2026-55116: A malicious actor with access to the network and under certain network configurations could exploit 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 unauthorized changes to such UniFi OS devices.

CVE-2026-54404 [HIGH] CWE-89 CVE-2026-54404: A malicious actor with access to the network and low privileges could exploit a series of authentica 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 devices or instances.

CVE-2026-55112 [HIGH] CWE-284 CVE-2026-55112: A malicious actor with access to the network and low privileges and under certain conditions could e A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi OS with UniFi Protect Application to escalate privileges on the host device.

CVE-2026-77545 [CRITICAL] CWE-489 CVE-2026-77545: A malicious actor with access to the network, low privileges and under certain conditions could expl 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 privileges within such UniFi OS devices or instances.

CVE-2026-54401 [HIGH] CWE-918 CVE-2026-54401: A malicious actor with access to the network and low privileges could exploit a Server-Side Request 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.

CVE-2026-77544 [HIGH] CWE-787 CVE-2026-77544: A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability foun A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

CVE-2026-77555 [HIGH] CWE-787 CVE-2026-77555: A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability foun A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

CVE-2026-95862 [HIGH] CWE-787 CVE-2026-95862: A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability foun A malicious actor with access to the network could exploit an Out-of-bounds Write vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

CVE-2026-95861 [HIGH] CWE-674 CVE-2026-95861: A malicious actor with access to the network could exploit an Uncontrolled Recursion vulnerability f A malicious actor with access to the network could exploit an Uncontrolled Recursion vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

CVE-2026-77558 [HIGH] CWE-125 CVE-2026-77558: A malicious actor with access to the network could exploit an Out-of-bounds Read vulnerability found A malicious actor with access to the network could exploit an Out-of-bounds Read vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

CVE-2026-77556 [HIGH] CWE-125 CVE-2026-77556: A malicious actor with access to the network could exploit an Out-of-bounds Read vulnerability found A malicious actor with access to the network could exploit an Out-of-bounds Read vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.

CVE-2026-55110 [MEDIUM] CWE-942 CVE-2026-55110: A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin R 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 user's session.