A vulnerability marked as problematic has been reported in MB connect line mbCONNECT24 and mymbCONNECT24 up to 2.20.1 . The affected element is an unknown function of the component Configuration Handler . Performing a manipulation results in direct request. This vulnerability was named CVE-2026-10521 . The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.