Security Release: FLX 1.4.0 and Classic 53.8

Hi all,

We have just released Search Guard FLX 1.4.0 and Search Guard 53.8, which contains a critical security fix for Multitenancy.

If you do not use the Multitenancy feature, you are not affected. If you do, we strongly recommend to upgrade.


You can find all available versions here:

Thanks for all your support, feedback, and input!

Search Guard (®) is an Elasticsearch plugin that offers encryption, authentication, authorization, and alerting.

Coded with love in Berlin, Denmark, Sweden, Italy, Ukraine, Poland, Ireland, and the US.

Search Guard is a trademark of floragunn GmbH, registered in the U.S. and other countries.

Elasticsearch, Kibana, Logstash, and Beats are trademarks of Elasticsearch BV, registered in the U.S. and other countries.

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