IBM Guardium DP 12.2 RCE via Untrusted Deserialization
CVE-2026-81657 Published on September 18, 2026

IBM Guardium Data Protection is affected by multiple vulnerabilities.
IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-81657 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2026-81657 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2026-81657

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IBM Guardium Data Protection
 

Affected Versions

IBM Guardium Data Protection Version 12.2 is affected by CVE-2026-81657