Sahih Muslim 1801
صحيح مسلم#1801Sahihوَحَدَّثَنِي هَارُونُ بْنُ عَبْدِ اللَّهِ، وَمُحَمَّدُ بْنُ رَافِعٍ، قَالاَ حَدَّثَنَا وَهْبُ بْنُ جَرِيرٍ، أَخْبَرَنِي أَبِي قَالَ، سَمِعْتُ قَيْسَ بْنَ سَعْدٍ، يُحَدِّثُ عَنْ عَطَاءٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ بَعَثَنِي الْعَبَّاسُ إِلَى النَّبِيِّ صلى الله عليه وسلم وَهُوَ فِي بَيْتِ خَالَتِي مَيْمُونَةَ فَبِتُّ مَعَهُ تِلْكَ اللَّيْلَةَ فَقَامَ يُصَلِّي مِنَ اللَّيْلِ فَقُمْتُ عَنْ يَسَارِهِ فَتَنَاوَلَنِي مِنْ خَلْفِ ظَهْرِهِ فَجَعَلَنِي عَلَى يَمِينِهِ .
Ibn `Abbas reported:(My father) Al-`Abbas sent me to the Messenger of Allah (ﷺ) and he was in the house of my mother's sister Maimuna and I spent that night along with him. He (the Holy Prophet) got up and prayed at night, and I stood up on his left side. He caught hold of me from behind his back and made me stand on his right side
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: 6:229