Sahih Muslim 1559
صحيح مسلم#1559Sahihحَدَّثَنَا يَحْيَى بْنُ أَيُّوبَ، حَدَّثَنَا إِسْمَاعِيلُ، قَالَ وَأَخْبَرَنِيهِ عَبْدُ الرَّحْمَنِ بْنُ حَرْمَلَةَ، عَنْ حَنْظَلَةَ بْنِ عَلِيِّ بْنِ الأَسْقَعِ، عَنْ خُفَافِ بْنِ إِيمَاءٍ، . بِمِثْلِهِ إِلاَّ أَنَّهُ لَمْ يَقُلْ فَجُعِلَتْ لَعْنَةُ الْكَفَرَةِ مِنْ أَجْلِ ذَلِكَ .
A hadith like this has been transmitted by Khufaf b. Ima' except this that he did not mention (these words):" cursing of unbelievers got a sanctions
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: 5:392