CVE-2026-11536: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server
IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.
AI Analysis
Technical Summary
CVE-2026-11536 is a vulnerability in IBM WebSphere Application Server 8.5 and 9.0 involving deserialization of untrusted data in the SOAP/JMX connector, which can lead to remote code execution. The vulnerability is classified under CWE-502. The CVSS 3.1 score of 8.5 reflects network attack vector with high complexity, low privileges required, no user interaction, and complete impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on affected IBM WebSphere Application Server instances, potentially leading to full compromise of the server, including unauthorized disclosure, modification, or destruction of data and disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should consider restricting network access to the SOAP/JMX connector interface and monitor for unusual activity related to this component.
CVE-2026-11536: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server
Description
IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.
CVSS v3.1
Score 8.5high
Affected software
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11536 is a vulnerability in IBM WebSphere Application Server 8.5 and 9.0 involving deserialization of untrusted data in the SOAP/JMX connector, which can lead to remote code execution. The vulnerability is classified under CWE-502. The CVSS 3.1 score of 8.5 reflects network attack vector with high complexity, low privileges required, no user interaction, and complete impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely on affected IBM WebSphere Application Server instances, potentially leading to full compromise of the server, including unauthorized disclosure, modification, or destruction of data and disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should consider restricting network access to the SOAP/JMX connector interface and monitor for unusual activity related to this component.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-08T02:21:39.261Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6ba8439c2644c7f892a6bd
Added to database: 07/30/2026, 19:38:43 UTC
Last enriched: 07/30/2026, 19:52:56 UTC
Last updated: 07/30/2026, 20:07:41 UTC
Views: 9
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