CVE-2026-9311 Details
Description
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
A remote code execution vulnerability has been identified in IBM WebSphere Application Server versions 9.0 and 8.5. This vulnerability arises from a bypass of security controls, allowing unauthorized execution of code on the server.
Users are advised to upgrade to IBM WebSphere Application Server Fix Pack 9.0.5.29 or later, or Fix Pack 8.5.5.30 or later. Alternatively, apply the Interim Fix that resolves APAR PH71453. Additional interim fixes may be available and linked off the interim fix download 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 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7274733 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [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] |