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 · last modified .

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

EPSS: 0.003 (24.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-4921: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

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.