CVE-2026-9330
IBM WebSphere Application Server is affected by remote code execution
- State
- Published
- Severity
- 8.5 High
- Published
- Jun 1, 2026
- Updated
- Jun 2, 2026
- Reserved
- May 22, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.5 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H | ibm |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
WebSphere Application ServerIBM |
|
References
- https://www.ibm.com/support/pages/node/7274733vendor-advisorypatch
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