Oaths and Vows
حَدَّثَنَا أَبُو عَاصِمٍ، عَنِ ابْنِ جُرَيْجٍ، عَنْ سُلَيْمَانَ الأَحْوَلِ، عَنْ طَاوُسٍ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم رَأَى رَجُلاً يَطُوفُ بِالْكَعْبَةِ بِزِمَامٍ أَوْ غَيْرِهِ، فَقَطَعَهُ.Narrated Ibn `Abbas:The Prophet (ﷺ) saw a man performing Tawaf around the Ka`ba, tied with a rope or something else (while another person was holding him). The Prophet (ﷺ) cut that rope off
From Sahih al-Bukhari, whose reports the scholars accept as authentic.