Question
A CSR object has been created in the system which you need to check and process it further based on its access request type.
Note: system masters group access is strictly prohibited and should be deleted instantly
Answer
Get CSR details:
kubectl get csr
can be noticed an CSR named agent-abt which it is in the Pending statekubectl get csr agent-abt -o yaml
It has the groups as system:masterskubectl certificate deny agent-abt
kubectl csr delete agent-abt