What is CVE-2026-4921?

CVE-2026-4921 is a low-severity vulnerability in IBM Guardium Data Protection, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 2.7/10. Published 2026-09-23.

How severe is CVE-2026-4921?

Low severity. CVSS v3 base score is 2.7 out of 10.

Information disclosure in IBM Guardium Data Protection

CVE-2026-4921

IBM Guardium Data Protection 12.2 could allow an administrative user to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.

Published 2026-09-23 · last modified 2026-09-23.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/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 Data Protection — versions 12.2

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

www.ibm.com/support/pages/node/7288827 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-4921?: CVE-2026-4921 is a low-severity vulnerability in IBM Guardium Data Protection, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 2.7/10. Published 2026-09-23.
How severe is CVE-2026-4921?: Low severity. CVSS v3 base score is 2.7 out of 10.