What is CVE-2026-9667?

CVE-2026-9667 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-09-10.

How severe is CVE-2026-9667?

Medium severity. CVSS v3 base score is 5.3 out of 10.

SSRF in IBM Websphere Application Server

CVE-2026-9667

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to server-side request forgery (SSRF) that could allow a remote, unauthenticated attacker to cause the server to send outbound requests to arbitrary endpoints.

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Ibm Websphere Application Server — versions 8.5, 9.0

Weakness classification (CWE)

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

References

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

Frequently asked questions

What is CVE-2026-9667?: CVE-2026-9667 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-09-10.
How severe is CVE-2026-9667?: Medium severity. CVSS v3 base score is 5.3 out of 10.