Hadith on Liars: Beware of impostors fabricating Hadith

Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “There will be impostors near the end of time, liars who will bring narrations you have never heard, neither you nor your fathers. Beware lest they misguide you and afflict you with trials.”

Source: Ṣaḥīḥ Muslim 7

Grade: Sahih (authentic) according to Muslim

عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَكُونُ فِي آخِرِ الزَّمَانِ دَجَّالُونَ كَذَّابُونَ يَأْتُونَكُمْ مِنْ الْأَحَادِيثِ بِمَا لَمْ تَسْمَعُوا أَنْتُمْ وَلَا آبَاؤُكُمْ فَإِيَّاكُمْ وَإِيَّاهُمْ لَا يُضِلُّونَكُمْ وَلَا يَفْتِنُونَكُمْ

7 صحيح مسلم مقدمة باب النهي عن الرواية عن الضعفاء والاحتياط في تحملها