What is CVE-2026-16185?

CVE-2026-16185 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Missing Authorization. CVSS score: 6.4/10. Published 2026-09-14.

How severe is CVE-2026-16185?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Auth bypass in IBM Websphere Application Server

CVE-2026-16185

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication on an admin console servlet.

Vulnerability class: Broken Access Control

Published 2026-09-14 · last modified 2026-09-16.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

IBM Websphere Application Server — versions 8.5, 9.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.ibm.com/support/pages/node/7286610 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-16185?: CVE-2026-16185 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Missing Authorization. CVSS score: 6.4/10. Published 2026-09-14.
How severe is CVE-2026-16185?: Medium severity. CVSS v3 base score is 6.4 out of 10.