Sahih Muslim 2591
صحيح مسلم#2591Sahihحَدَّثَنِي هَارُونُ بْنُ سَعِيدٍ الأَيْلِيُّ، حَدَّثَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي عَمْرٌو، - وَهُوَ ابْنُ الْحَارِثِ - عَنْ عَبْدِ رَبِّهِ، عَنْ عَبْدِ اللَّهِ بْنِ كَعْبٍ الْحِمْيَرِيِّ، أَنَّ أَبَا بَكْرٍ، حَدَّثَهُ أَنَّ مَرْوَانَ أَرْسَلَهُ إِلَى أُمِّ سَلَمَةَ - رضى الله عنها - يَسْأَلُ عَنِ الرَّجُلِ يُصْبِحُ جُنُبًا أَيَصُومُ فَقَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصْبِحُ جُنُبًا مِنْ جِمَاعٍ لاَ مِنْ حُلُمٍ ثُمَّ لاَ يُفْطِرُ وَلاَ يَقْضِي .
Abu Bakr reported that Marwan sent him to Umm Salama to ask whether a person should observe fast who is in a state of junub and the dawn breaks upon him, whereupon she said that the Messenger of Allah (ﷺ) (was at times) junbi on account of intercourse and not due to sexual dream, and the dawn broke upon him, but he neither broke the fast nor recompensed
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:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 13:97