What is CVE-2026-14976?

CVE-2026-14976 is a high-severity vulnerability in IBM Websphere Application Server, classified under Missing Authentication for Critical Function. CVSS score: 7.1/10. Published 2026-07-28.

How severe is CVE-2026-14976?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in IBM Websphere Application Server

CVE-2026-14976

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by remote code execution with the collectiveController-1.0 feature enabled.

Vulnerability class: Broken Authentication

EPSS: 0.003 (23.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ibm Websphere_application_server
Ibm Websphere Application Server - Liberty — versions 17.0.0.3

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-14976?: CVE-2026-14976 is a high-severity vulnerability in IBM Websphere Application Server, classified under Missing Authentication for Critical Function. CVSS score: 7.1/10. Published 2026-07-28.
How severe is CVE-2026-14976?: High severity. CVSS v3 base score is 7.1 out of 10.