What is CVE-2026-101117?

CVE-2026-101117 is a critical-severity vulnerability in IBM Websphere Extreme Scale, classified under CWE-16. CVSS score: 9.1/10. Published 2026-11-08.

How severe is CVE-2026-101117?

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

Vulnerability in IBM Websphere Extreme Scale

CVE-2026-101117

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.2.2 could allow a remote attacker to bypass security restrictions due to improper Content Security Policy configuration.

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

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

Weakness classification (CWE)

CWE-16

References

www.ibm.com/support/pages/node/7293764 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-101117?: CVE-2026-101117 is a critical-severity vulnerability in IBM Websphere Extreme Scale, classified under CWE-16. CVSS score: 9.1/10. Published 2026-11-08.
How severe is CVE-2026-101117?: Critical severity. CVSS v3 base score is 9.1 out of 10.