Sahih al-Bukhari 2955
صحيح البخاري#2955SahihNarrated Ibn `Umar:The Prophet said, "It is obligatory for one to listen to and obey (the ruler's orders) unless these orders involve one of disobedience (to Allah); but if an act of disobedience (to Allah) is imposed, he should not listen to or obey it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 56:167