CVE-2026-9330
HIGH WAF: Medium
CVSS 8.5
Published: 2026-06-01
CWE-502
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.
WAF Coverage Analysis
Insecure Deserialization
Medium WAF Coverage
OWASP: A08:2021 Software and Data Integrity Failures
944xxx - Java Attack
Affected Software
| Vendor | Product | Version |
|---|---|---|
| ibm | websphere_application_server | 8.5.0.0 - 8.5.5.30 |
| ibm | websphere_application_server | 9.0.0.0 - 9.0.5.29 |
References
- www.ibm.com (Vendor Advisory)