CVE-2026-9330
High · 8.5CVSS
8.5
EPSS
0.7%
Published
Jun 1, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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