Is Vaping Haram? Muslims at Parties Shaykh Suleiman Hani In Islam, smoking and vaping are generally considered sinful because they harm the body, waste money, and can harm others all of which are prohibited principles in the Quran and Sunnah but many Q: Why is it Haram to smoke weed, when that is all that it is a weed. Does it specifically state in the Quran, Marijuana is haram? Is vaping haram?, (Mufti Shafiq Jakhura) KL Mufti Introduces Head Spinning Fatwa Banning Vaping Because It's Haram