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…

Priority P2 58 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

4 ranges

Vendor	Product	Version range	Fixed in
ibm	websphere_application_server	—	—
ibm	websphere_application_server	>= 8.5.0.0 < 8.5.5.30	8.5.5.30
ibm	websphere_application_server	9.0 – 1.1.9.12	—
ibm	websphere_application_server	>= 9.0.0.0 < 9.0.5.29	9.0.5.29

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CWE-502