CVE-2026-9330
HIGH
NVD
CVSS Score
8.5
Severity
HIGH
Published
Jun 01, 2026
Vendor
unknown
Description
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.