Sahih Muslim 260
صحيح مسلم#260Sahihوَحَدَّثَنِي يَحْيَى بْنُ حَبِيبٍ الْحَارِثِيُّ، حَدَّثَنَا خَالِدٌ، - وَهُوَ ابْنُ الْحَارِثِ - حَدَّثَنَا شُعْبَةُ، أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ أَبِي بَكْرٍ، عَنْ أَنَسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم فِي الْكَبَائِرِ قَالَ " الشِّرْكُ بِاللَّهِ وَعُقُوقُ الْوَالِدَيْنِ وَقَتْلُ النَّفْسِ وَقَوْلُ الزُّورِ " .
Anas narrated from the Apostle (ﷺ) about the major sins. He (the Holy Prophet) observed:Associating anyone with Allah, disobedience to parents, killing a person and false utterance
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: 1:166