Sahih Muslim 1577
صحيح مسلم#1577Sahihحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَابْنُ، بَشَّارٍ قَالاَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، قَالَ سَمِعْتُ قَتَادَةَ، يُحَدِّثُ عَنْ مُوسَى بْنِ سَلَمَةَ الْهُذَلِيِّ، قَالَ سَأَلْتُ ابْنَ عَبَّاسٍ كَيْفَ أُصَلِّي إِذَا كُنْتُ بِمَكَّةَ إِذَا لَمْ أُصَلِّ مَعَ الإِمَامِ . فَقَالَ رَكْعَتَيْنِ سُنَّةَ أَبِي الْقَاسِمِ صلى الله عليه وسلم .
Musa b. Salama Hudhali said:I asked Ibn 'Abbas: How should I say prayer when I am in Mecca, and when I do not pray along with the Imam? He said: Two rak'ahs (of prayer) is the Sunnah of Abu'l-Qasim (ﷺ)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 6:8