There is no news at the moment.
As of 23.05.2022, logging in to FlexNow with the RUBCard ist no longer possible.
Christmas closure for a fortnight from 23.12.2023
On the current security problem discussed at the RUB and in the media (keyword log4j/Log4Shell):
FlexNow (more precisely, the part of FlexNow available via the links on www.flexnow.rub.de) is not(!) affected.
As of 23.05.2022, logging in to FlexNow with the RUBCard will no longer be possible.