CVE-2026-8858
WebSphere Application Server Remote Code Execution
- State
- Published
- Severity
- 7.5 High
- Published
- Jun 22, 2026
- Updated
- Jul 9, 2026
- Reserved
- May 18, 2026
Description
IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | ibm |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
WebSphere Application ServerIBM |
|
References
- https://www.ibm.com/support/pages/node/7276560vendor-advisorypatch
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