CVE-2026-82340

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability53. percentile0.7%
ProductIbm Guardium Data Protection
PublishedSep 18, 2026
First seenSep 18, 2026

How to fix

Affected products

ProductAffected versionsFixed in
ibm guardium_data_protection12.2—

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