What is CVE-2026-14976?

CVE-2026-14976 is a high-severity vulnerability in Ibm Websphere Application Server - Liberty, 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 - Liberty

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

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 - Liberty — versions 17.0.0.3

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2026-14976?: CVE-2026-14976 is a high-severity vulnerability in Ibm Websphere Application Server - Liberty, 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.