Sunan Abi Dawud 3722
سنن أبي داود#3722SahihAbu sa’id al-Khudri said:The apostle of Allah (ﷺ) forbade drinking from the broken place (of a cup) and blowing into a drink
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 Lighairihi
Zubair Ali ZaiHasan
In-book reference: 27:54