What is CVE-2026-84272?

CVE-2026-84272 is a critical-severity vulnerability in IBM Guardium Data Protection, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-10-08.

How severe is CVE-2026-84272?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in IBM Guardium Data Protection

CVE-2026-84272

IBM Guardium Data Protection 12.1 and 12.2.2 are vulnerable to missing authentication in the edge-controller component. An unauthenticated remote attacker could exploit this vulnerability to execute arbitrary container images and gain control of managed edge clusters.

Vulnerability class: Broken Authentication

Published 2026-10-08 · last modified 2026-10-09.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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 12.1, 12.2.2
IBM Guardium Data Protection — versions 12.1, 12.2.2

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.ibm.com/support/pages/node/7288832 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-84272?: CVE-2026-84272 is a critical-severity vulnerability in IBM Guardium Data Protection, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-10-08.
How severe is CVE-2026-84272?: Critical severity. CVSS v3 base score is 9.8 out of 10.