Sahih Muslim 3434
صحيح مسلم#3434Sahihوَحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنِ ابْنِ شِهَابٍ، عَنِ الْحَسَنِ، وَعَبْدِ اللَّهِ، ابْنَىْ مُحَمَّدِ بْنِ عَلِيٍّ عَنْ أَبِيهِمَا، عَنْ عَلِيٍّ، أَنَّهُ سَمِعَ ابْنَ عَبَّاسٍ، يُلَيِّنُ فِي مُتْعَةِ النِّسَاءِ فَقَالَ مَهْلاً يَا ابْنَ عَبَّاسٍ فَإِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْهَا يَوْمَ خَيْبَرَ وَعَنْ لُحُومِ الْحُمُرِ الإِنْسِيَّةِ .
Ali (Allah be pleased with him) heard that Ibn Abbas (Allah be pleased with them) gave some relaxation in connection with the contracting of temporary marriage, whereupon he said:Don't be hasty (in your religious verdict), Ibn 'Abbas, for Allah's Messenger (ﷺ) on the Day of Khaibar prohibited that forever - along with the eating of flesh of domestic asses
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: 16:37