Sahih al-Bukhari 4457
صحيح البخاري#4457SahihNarrated Aisha and Ibn `Abbas:Abu Bakr kissed the Prophet (ﷺ) after his death
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:473