Sunan Abi Dawud 4469
سنن أبي داود#4469SahihAbu Hurairah and Zaid b. Khalid al-Juhani said:The Messenger of Allah (ﷺ) was asked about a slave-woman who commits fornication, and she is not married: If she commits fornication, flog her: if she commits fornication again flog her; if only for a rope of hair (dafir). Ibn Shihab: I do not know whether he (the Prophet) said it is a third or a fourth time
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 Bukhari (2153، 2154) Sahih Muslim (1703)
In-book reference: 40:119