JWT tokens that were used by workers in Kubernetes Executors have been exposed to users who had read only access to Kuberentes Pods. This could allow users with just read-only access to perform actions that were only available to running tasks via Task SDK and potentially allow to modify state of Airflow Database for tasks.
https://lists.apache.org/thread/pk3m2z4s2rkmc0v6gh9hnch9spc6stqw