The Dictations · Hadith 914 (#Ḥadīth #22)
Chapter 85 | The Eighty-Fifth Assembly, the Assembly of Friday, the Twenty-Second of Rajab, 368 AH.
22 - وبهذا الاسناد، قال: قال رسول الله (صلى الله عليه وآله): من مدح أخاه المؤمن في وجهه واغتابه من ورائه، فقد انقطع ما بينهما من العصمة (2).
By this isnad. He said: The Messenger of Allah (s) said: He who commends his believing brother to his face but backbites him when he is away shall have the protection (`isma) between them cut away.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).