Sahih Muslim
The Book of Mosques and Places of Prayer — Hadith #1447
Scholarly Consensus: Sahih How we grade
وَحَدَّثَنَا عَمْرٌو النَّاقِدُ، حَدَّثَنَا الأَسْوَدُ بْنُ عَامِرٍ، أَخْبَرَنَا شُعْبَةُ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَنَتَ شَهْرًا يَلْعَنُ رِعْلاً وَذَكْوَانَ وَعُصَيَّةَ عَصَوُا اللَّهَ وَرَسُولَهُ .
Anas b. Malik reported that the Messenger of Allah (ﷺ) observed Qunut for one month Invoking curse upon Ri’l, Dhakwan, ‘Usayya. those who disobeyed Allah and His Messenger (ﷺ).
Hadith Grading
Each grade below reflects one scholar's assessment of the chain of transmission. The grade describes the chain, not the Prophet's words. How we grade
Scholarly Consensus: Sahih