CVE-2026-82340 [CRITICAL] – IBM Guardium Data Protection 12.2 is vulnerable to unauthenticated insecure deserializatio

IBM Guardium Data Protection 12.2 is vulnerable to unauthenticated insecure deserialization and attacker-controlled reflective method dispatch in the Change Audit System (CAS) listener. A network attacker able to reach TCP port 16017 may submit crafted serialized messages and potentially cause unintended code execution in the Guardium appliance.