Sunan Abi Dawud 26
سنن أبي داود#26Da'ifNarrated Mu'adh ibn Jabal: The Messenger of Allah (ﷺ) said: Be on your guard against three things which provoke cursing: easing in the watering places and on the thoroughfares, and in the shade (of the tree)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan
Shuaib Al ArnautHasan Lighairihi
Zubair Ali ZaiDaif
In-book reference: 1:26