From Sahih Bukhari (Hadith 6496):
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "When honesty is lost, then wait for the Hour." It was asked, "How will honesty be lost, O Allah's Messenger (ﷺ)?" He said, "When authority is given to those who do not deserve it, then wait for the Hour
Reference: Bukhari 6496