Improper Input Validation vulnerability in Apache Zeppelin. The attackers can execute malicious queries by setting improper configuration properties to LDAP search filter. This issue affects Apache Zeppelin: from 0.8.2 before 0.11.1. Users are recommended to upgrade to version 0.11.1, which fixes the issue.
https://lists.apache.org/thread/s4scw8bxdhrjs0kg0lhb68xqd8y9lrtf