CVE-2026-11539: CWE-306 Missing Authentication for Critical Function in IBM WebSphere Application Server
IBM WebSphere Application Server 9.0 and 8.5 is affected by an authentication bypass vulnerability in the SOAP/JMX connector.
AI Analysis
Technical Summary
CVE-2026-11539 describes a missing authentication vulnerability (CWE-306) in IBM WebSphere Application Server 8.5 and 9.0. The issue affects the SOAP/JMX connector, enabling unauthenticated remote attackers to bypass authentication controls and invoke critical functions. The CVSS 3.1 base score is 5.3, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and limited confidentiality impact. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability allows unauthenticated remote attackers to bypass authentication and access critical functions via the SOAP/JMX connector. This could lead to unauthorized information disclosure but does not impact integrity or availability according to the CVSS vector. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to the SOAP/JMX connector and monitoring for unusual activity related to this interface.
CVE-2026-11539: CWE-306 Missing Authentication for Critical Function in IBM WebSphere Application Server
Description
IBM WebSphere Application Server 9.0 and 8.5 is affected by an authentication bypass vulnerability in the SOAP/JMX connector.
CVSS v3.1
Score 5.3medium
Affected software
IBM
WebSphere Application Server
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-2026-11539 describes a missing authentication vulnerability (CWE-306) in IBM WebSphere Application Server 8.5 and 9.0. The issue affects the SOAP/JMX connector, enabling unauthenticated remote attackers to bypass authentication controls and invoke critical functions. The CVSS 3.1 base score is 5.3, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and limited confidentiality impact. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability allows unauthenticated remote attackers to bypass authentication and access critical functions via the SOAP/JMX connector. This could lead to unauthorized information disclosure but does not impact integrity or availability according to the CVSS vector. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to the SOAP/JMX connector and monitoring for unusual activity related to this interface.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-08T02:48:19.225Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aad91c755bf5e2cf5719169
Added to database: 09/18/2026, 19:32:23 UTC
Last enriched: 09/18/2026, 20:32:34 UTC
Last updated: 09/18/2026, 22:12:51 UTC
Views: 2
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