IBM WebSphere App Server 9.0/8.5 Auth Bypass in SOAP/JMX Connector
CVE-2026-11539 Published on September 18, 2026

IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
IBM WebSphere Application Server 9.0 and 8.5 is affected by an authentication bypass vulnerability in the SOAP/JMX connector.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-11539 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Missing Authentication for Critical Function

The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.


Products Associated with CVE-2026-11539

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IBM WebSphere Application Server
 

Affected Versions

IBM WebSphere Application Server: