CVE-2026-9330

published 2026-06-01

CVE-2026-9330: IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single…

high 8.5 CVSS 3.1

AV N AC H PR L UI N S C C H I H A H

IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ibm	websphere_application_server	—	—
ibm	websphere_application_server	9.0 – 1.1.9.12	—

CWE-502