The Book of the Believer · Hadith 196 (#Ḥadīth #26)
Chapter 8 | What Allah (azwj) has Forbidden a Believer to do Against a Fellow Believer
196 - وعن أبي عبد الله عليه السلام: عورة المؤمن على المؤمن حرام، قال: ليس هو أن يكشف فيرى منه شيئا، إنما هو أن يزري عليه أو يعيبه.
196. It has been narrated that Abu 'Abd Allah said: It is forbidden on believers to expose the secrets of each other. I do not mean that they see each other naked; rather they find faults in or disgrace each other.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).