CVE-2026-78537
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IBM Guardium Key Lifecycle Manager Weak Cryptographic Algorithm Information Disclosure

Publication date: 2026-11-08

Last updated on: 2026-11-08

Assigner: IBM Corporation

Description
IBM Guardium Key Lifecycle Manager 4.1, 4.1.1, 4.2, 4.2.1, 5.0, and 5.1 could allow a local attacker to obtain sensitive information due to the use of a weak cryptographic algorithm.

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Meta Information

Published
2026-11-08
Last Modified
2026-11-08
Generated
2026-11-08
AI Q&A
2026-11-08
EPSS Evaluated
N/A
NVD
CVE-2026-78537
EUVD
EUVD-2026-119724

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-327 The product uses a broken or risky cryptographic algorithm or protocol.

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Executive Summary

IBM Guardium Key Lifecycle Manager (GKLM) versions 4.1 through 5.1 use a weak cryptographic algorithm that could allow a local attacker to obtain sensitive information. This is classified under CWE-327 (Use of a Broken or Risky Cryptographic Algorithm).

Detection Guidance

Detecting this vulnerability requires checking the version of IBM Guardium Key Lifecycle Manager installed on your system. Compare the installed version against the affected versions (4.1, 4.1.1, 4.2, 4.2.1, 5.0, 5.1). Use commands like 'rpm -qa | grep GKLM' for Linux or 'systeminfo' for Windows to identify the version.

Impact Analysis

A local attacker could exploit this vulnerability to access sensitive data due to the weak cryptographic algorithm. This may lead to unauthorized information disclosure, potentially compromising system security.

Mitigation Strategies

Immediately update IBM Guardium Key Lifecycle Manager to version 5.1 and apply the fix 5.1.0-ISS-GKLM-FP0003. Download the updated version through IBM Passport Advantage. Ensure no workarounds are applied as IBM does not provide any.

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