Version 6.8.15 of the Elastic Stack was released on March 23, 2021, featuring important security vulnerability fixes. Users are encouraged to upgrade to this latest version to benefit from these enhancements. Detailed information regarding the changes in this patch can be found in the release notes for each component of the Elastic Stack, including Elasticsearch, Beats, Logstash, and Kibana. For additional security details, the security page provides further insights.