Signature Verification Bypass in IBM Guardium Data Protection
CVE-2026-84271

7.8HIGH

Key Information:

Vendor

IBM
Status
Guardium Data Protection
Vendor
CVE Published:
8 October 2026

What is CVE-2026-84271?

IBM Guardium Data Protection 12.2 is susceptible to a signature verification bypass within the patch installer, which can potentially allow an attacker with local access to execute arbitrary code with elevated privileges. This vulnerability poses a serious risk, emphasizing the importance of applying security updates and monitoring access to sensitive systems.

Affected Version(s)

Guardium Data Protection 12.2

References

https://www.ibm.com/support/pages/node/7288035
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.