What is CVE-2026-78537?

CVE-2026-78537 is a medium-severity vulnerability in IBM Guardium Key Lifecycle Manager, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 6.8/10. Published 2026-11-08.

How severe is CVE-2026-78537?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in IBM Guardium Key Lifecycle Manager

CVE-2026-78537

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.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Guardium Key Lifecycle Manager — versions 4.1, 4.1.1, 4.2

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

www.ibm.com/support/pages/node/7292031 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-78537?: CVE-2026-78537 is a medium-severity vulnerability in IBM Guardium Key Lifecycle Manager, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 6.8/10. Published 2026-11-08.
How severe is CVE-2026-78537?: Medium severity. CVSS v3 base score is 6.8 out of 10.