FasterXML jackson-databind 2.x before 2.9.10.8 and 2.6.7.5 mishandles the interaction between serialization gadgets and typing, related to oadd.org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS.
oadd.org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS