What is CVE-2026-81623?

CVE-2026-81623 is a medium-severity vulnerability in IBM Guardium Data Protection, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-09-18.

How severe is CVE-2026-81623?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in IBM Guardium Data Protection

CVE-2026-81623

IBM Guardium Data Protection 12.2 could allow an authenticated user to execute arbitrary commands with low user privileges on the system due to improper validation of user supplied input.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-09-18 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (27.9th percentile), scored 2026-11-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.000

Affected products

IBM Guardium Data Protection — versions 12.2
IBM Guardium Data Protection — versions 12.2

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.ibm.com/support/pages/node/7288040 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-81623?: CVE-2026-81623 is a medium-severity vulnerability in IBM Guardium Data Protection, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-09-18.
How severe is CVE-2026-81623?: Medium severity. CVSS v3 base score is 6.3 out of 10.