What’s Vulnerable › Vulnerabilities
CVE-2026-11536: IBM WebSphere Application Server is affected by a remote code execution vulnerability
- Severity: high (CVSS 8.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-30 · updated 2026-10-23
- Weakness: CWE-502
Description
IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.
Affected products
- IBM WebSphere Application Server: from 8.5.0.0 before 8.5.5.29; from 9.0.0.0 before 9.0.5.28 — fixed in 8.5.5.29, 9.0.5.28
How to fix
Upgrade to a fixed version: IBM WebSphere Application Server 8.5.5.29, 9.0.5.28. Check the vendor advisory for mitigations.
References
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