The Book of Invoking Curses
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو أُسَامَةَ، ح وَحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، قَالاَ حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ لاَعَنَ رَسُولُ اللَّهِ صلى الله عليه وسلم بَيْنَ رَجُلٍ مِنَ الأَنْصَارِ وَامْرَأَتِهِ وَفَرَّقَ بَيْنَهُمَا .Ibn 'Umar (Allah be pleased with them) reported:Allah's Messenger (ﷺ) asked a person from the Anger and his wife to invoke curse (upon one another in order to testify to their truthfulness), and then effected separation between them
From Sahih Muslim, whose reports the scholars accept as authentic.