Sunan Abi Dawud 3658
سنن أبي داود#3658SahihNarrated AbuHurayrah: The Prophet (ﷺ) said: He who is asked something he knows and conceals it will have a bridle of fire put on him on the Day of Resurrection
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Muhyi Al-Din Abdul HamidHasan Sahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 26:18