Sunan Abi Dawud 4851
سنن أبي داود#4851SahihAbd Allah (b. Mas`ud) reported the Messenger of Allah (ﷺ) as saying:Two persons should not talk privately ignoring the third, for that will grieve him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (8184)
In-book reference: 43:79