(adsbygoogle = window.adsbygoogle || []).push({}); i accidentaly went on multiman on my 4.50 cfw and i dont know if my cid will get banned

there's always a risk of getting banned using homebrew or not,
sometime weeks, months possibly even a year. depends on how careful you are.
but at the end of the day your using cfw, always a ban risk.

Yeah you will get banned Multiman will flag you to Sony.