Sahih Muslim 900
صحيح مسلم#900Sahihحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، أَخْبَرَنَا أَبُو مُعَاوِيَةَ، عَنِ الأَعْمَشِ، عَنْ شَقِيقٍ، عَنْ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ، قَالَ كُنَّا إِذَا جَلَسْنَا مَعَ النَّبِيِّ صلى الله عليه وسلم فِي الصَّلاَةِ . بِمِثْلِ حَدِيثِ مَنْصُورٍ وَقَالَ " ثُمَّ يَتَخَيَّرُ بَعْدُ مِنَ الدُّعَاءِ " .
Abdullah b. Mas'ud reported:We were sitting with the Apostle (ﷺ) in prayer, and the rest of the hadith is the same as narrated by Mansur He (also said): After (reciting tashahud) he may choose any prayer
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: 4:62