It was found that the Hotrod client in Infinispan before 9.2.0.CR1 would unsafely read deserialized data on information from the cache. An authenticated attacker could inject a malicious object into the data cache and attain deserialization on the client, and possibly conduct further attacks.
https://github.com/infinispan/infinispan/pull/5639
https://access.redhat.com/errata/RHSA-2019:1326
https://access.redhat.com/errata/RHSA-2018:0501
https://access.redhat.com/errata/RHSA-2018:0481
https://access.redhat.com/errata/RHSA-2018:0480
https://access.redhat.com/errata/RHSA-2018:0479
https://access.redhat.com/errata/RHSA-2018:0478