A vulnerability, which was classified as critical , was found in Seagull BarTender 2010, BarTender 2016 and BarTender 2019 . This affects the function WebClient of the file BtSystem.Service.exe of the component NET Remoting Service . The manipulation results in missing authentication. This vulnerability is known as CVE-2026-25550 . It is possible to launch the attack remotely. No exploit is available.