Sunan Abi Dawud 307
سنن أبي داود#307SahihUmm 'Atiyyah who took an oath of allegiance to the Prophet (ﷺ) said:We would not take into consideration brown and yellow (fluid) after purification
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
In-book reference: 1:307