CVE-2026-9319 Details
Description
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
A remote code execution vulnerability exists in IBM WebSphere Application Server versions 9.0 and 8.5. This issue arises from the deserialization of untrusted data in JAX-WS endpoints that use WS-Security, potentially allowing an attacker to execute arbitrary code on the server.
Users are advised to upgrade to IBM WebSphere Application Server Fix Pack 9.0.5.29 or 8.5.5.30, depending on their current version. Alternatively, an interim fix addressing this vulnerability is available for both WebSphere Application Server traditional versions 9.0.0.0 through 9.0.5.28 and versions 8.5.0.0 through 8.5.5.29. Instructions for applying this interim fix can be found on the IBM Support page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7274738 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ibm websphere application server | >= 8.5.0.0, < 8.5.5.30 >= 9.0.0.0, < 9.0.5.29 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 4, 2026 | Initial Analysis | [email protected] |
| Jun 1, 2026 | New CVE Received | [email protected] |