IBM Guardium DP 12.2 Signature Verification Bypass in Patch Installer
CVE-2026-84271 Published on October 8, 2026

IBM Guardium Data Protection Signature Verification Bypass
IBM Guardium Data Protection 12.2 is vulnerable to a signature verification bypass in the patch installer. An attacker with local access could exploit this vulnerability to execute arbitrary code with root privileges.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-84271 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

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

Weakness Type

What is a Race Condition Vulnerability?

The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

CVE-2026-84271 has been classified to as a Race Condition vulnerability or weakness.


Products Associated with CVE-2026-84271

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Affected Versions

IBM Guardium Data Protection Version 12.2 is affected by CVE-2026-84271