CVE-2026-34908 | Ubiquiti UniFi OS Server prior 5.0.8 access control
A vulnerability identified as critical has been detected 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. This vulnerability affects unknown code. Performing a manipulation results in improper access controls.
This vulnerability is known as CVE-2026-34908. Remote exploitation of the attack is possible. No exploit is available.
You should upgrade the affected component.