Improper Initialization
Apache Calcite Avatica JDBC driver creates HTTP client instances based on class names provided via httpclient_impl connection property; however, the driver does not verify if the class implements the expected interface before instantiating it, which can lead to code execution loaded via arbitrary classes and in rare cases remote code execution. To exploit the vulnerability: 1) the attacker needs to have privileges to control JDBC connection parameters; 2) and there …