Kali changed to a non-root user policy by default since the release of 2020.1.
So, Kali Linux has 2 credentials depending on the version of kali Linux you are using.
Following are Kali Linux Default passwords:
For Versions before 2020.1
Root username : root Root password : toor
For versions after 2020.1 including it
Root username : kali Root password : kali
For Vagrant image (based on their policy):
Username: vagrant Password: vagrant
For BeEF-XSS
Username: beef Password: beef
For MySQL
User: root Password: (blank)
For OpenVAS:
Username: admin Password:
For Metasploit-Framework
Username: postgres Password: postgres