CVE-2026-34909 | Ubiquiti UniFi OS Server 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 classified as critical. Affected is an unknown function. The manipulation leads to path traversal.
This vulnerability is documented as CVE-2026-34909. The attack can be initiated remotely. There is not any exploit available.
Upgrading the affected component is recommended.