What is CVE-2026-84436?

CVE-2026-84436 is a critical-severity vulnerability in IBM Guardium Data Protection, classified under OS Command Injection. CVSS score: 9.1/10. Published 2026-09-29.

How severe is CVE-2026-84436?

Critical severity. CVSS v3 base score is 9.1 out of 10.

RCE in IBM Guardium Data Protection

CVE-2026-84436

IBM Guardium Data Protection 12.2 is vulnerable to command injection in the certificate export CLI functionality, allowing a privileged authenticated CLI user to execute arbitrary commands with root privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-09-29 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

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-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2026-84436?: CVE-2026-84436 is a critical-severity vulnerability in IBM Guardium Data Protection, classified under OS Command Injection. CVSS score: 9.1/10. Published 2026-09-29.
How severe is CVE-2026-84436?: Critical severity. CVSS v3 base score is 9.1 out of 10.