Elastic Stack 6.1.2 and 5.6.6 security update
Logstash sensitive information disclosure issue ESA-2018-01 When logging warnings regarding deprecated settings, Logstash could inadvertently log sensitive information. Affected Versions All versions before 6.1.2 and 5.6.6 Solutions and Mitigations: Users should upgrade to Logstash version 6.1.2 ...