Well, according to latest news from Naran:
1- Roads are open till Shogran and further road clearance work in being done on Kaghan-Naran road.
2- There is not a single inch of harm going there and no threat of danger or Talibans.
3- The best time to go Kaghan Valley is between (Last week of May - August)
I have also plan to visit Kaghan valley again in this Summer. You may also read my blog on Visit to Kaghan Valley. I hope this will help you.