The Book of Transactions
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا سُفْيَانُ، عَنْ عَمْرٍو، عَنْ جَابِرٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم نَهَى عَنِ الْمُخَابَرَةِ .Jabir (Allah be pleased with him) reported Allah's Apostle (ﷺ) having forbidden Mukhabara
From Sahih Muslim, whose reports the scholars accept as authentic.