asalamualaikum ...
yes i think tat is mushraff only(ALLAH KNOWS BEST)
and i also heard tat one of my friend told me tat one man who worked in oil factory in saudi had got chance to visit inside of kabah wen saudi king visited haramain he ..
so if allah decides every one can able to visit
may allah guide us straight path
alhamdulilah
jazak allah hairun