TABARANI 16271a:
from Kaʿb b. Mālik —
[Machine] That when the Messenger of Allah ﷺ returned from the expedition of the Confederates, he took off his garments, performed ablution, and performed the ritual bath.
الطبراني ١٦٢٧١a:
عن كعب بن مالك —
أَنَّ رَسُولَ اللهِ ﷺ لَمَّا رَجَعَ مِنْ طَلَبِ الْأَحْزَابِ نَزَعَ لِأُمَّتِهِ وَاغْتَسَلَ وَاسْتَجْمَرَ