CVE-2026-34911 | Ubiquiti UniFi OS Server prior 5.0.8 path traversal
A vulnerability was found in Ubiquiti UniFi OS Server, UDM, UDM-Pro, UDM-SE, UDM-Pro-Max, UDM-Beast, EFG, UDW, UDR, UDR7, UDR-5G, Express 7, UNVR, UNVR-Pro, UNVR-Instant, UNVR-G2, UNVR-G2-Pro, ENVR, ENVR-Core, UNAS-2, UNAS-4, UNAS-Pro, UNAS-Pro-4, UNAS-Pro-8, UCKP, UCK, UCK-Enterprise, UCG-Ultra, UCG-Max, UCG-Fiber and UCG-Industrial. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation results in path traversal.
This vulnerability is reported as CVE-2026-34911. The attack can be launched remotely. No exploit exists.
It is recommended to upgrade the affected component.