What is CVE-2026-11546?

CVE-2026-11546 is a high-severity vulnerability in Ibm Websphere Application Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-06-30.

How severe is CVE-2026-11546?

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

SSRF in Ibm Websphere Application Server

CVE-2026-11546

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is affected by a server-side request forgery vulnerability with the adminCenter-1.0 feature enabled.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Ibm Websphere_application_server
Ibm Websphere Application Server - Liberty — versions 17.0.0.3

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-11546?: CVE-2026-11546 is a high-severity vulnerability in Ibm Websphere Application Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-06-30.
How severe is CVE-2026-11546?: High severity. CVSS v3 base score is 7.1 out of 10.