What is CVE-2026-14529?

CVE-2026-14529 is a critical-severity vulnerability in IBM Websphere Application Server, classified under Missing Authentication for Critical Function. CVSS score: 9.4/10. Published 2026-07-29.

How severe is CVE-2026-14529?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Auth bypass in IBM Websphere Application Server

CVE-2026-14529

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 traditional is vulnerable to server-side request forgery (SSRF) when the SIP container feature (sipServlet-1.1) is enabled.

Vulnerability class: Broken Authentication

EPSS: 0.004 (33.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Ibm Websphere Application Server — versions 9.0, 8.5
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-2026-14529?: CVE-2026-14529 is a critical-severity vulnerability in IBM Websphere Application Server, classified under Missing Authentication for Critical Function. CVSS score: 9.4/10. Published 2026-07-29.
How severe is CVE-2026-14529?: Critical severity. CVSS v3 base score is 9.4 out of 10.