Sunan Abi Dawud 4870
سنن أبي داود#4870Da'ifAbu sa’id al-khudri reported the Messenger of Allah (May peace be upon him) as saying:The most serious breach of trust in Allah’s sight is that a man who has intercourse with his wife, and she with him, spreads her secret
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Zubair Ali ZaiSahih Muslim (1437)
In-book reference: 43:98