Sunan Ibn Majah 2552
سنن ابن ماجه#2552Da'ifحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَبْدُ السَّلاَمِ بْنُ حَرْبٍ، عَنْ هِشَامِ بْنِ حَسَّانَ، عَنِ الْحَسَنِ، عَنْ سَلَمَةَ بْنِ الْمُحَبِّقِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم رُفِعَ إِلَيْهِ رَجُلٌ وَطِئَ جَارِيَةَ امْرَأَتِهِ فَلَمْ يَحُدَّهُ .
It was narrated from Salamah bin Muhabbiq that:the case of a man who had intercourse with the slave woman of his wife was referred to the Messenger of Allah (ﷺ), and he did not stipulate any legal punishment for him
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 20:20