Jami` at-Tirmidhi 2435
جامع الترمذي#2435Sahihحَدَّثَنَا الْعَبَّاسُ الْعَنْبَرِيُّ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنْ مَعْمَرٍ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " شَفَاعَتِي لأَهْلِ الْكَبَائِرِ مِنْ أُمَّتِي " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ مِنْ هَذَا الْوَجْهِ . وَفِي الْبَابِ عَنْ جَابِرٍ .
Anas narrated that the Messenger of allah (s.a.w)said:"My intercession is for the people who committed the major sins in my Ummah." Another chain reports a similar narration
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:
In-book reference: 37:21