IBM WAS 9.0/8.5 RCE via SOAP/JMX Connector
CVE-2026-11536 Published on July 30, 2026

IBM WebSphere Application Server is affected by a remote code execution vulnerability
IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-11536 is exploitable with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

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

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2026-11536 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2026-11536

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IBM WebSphere Application Server
 

Affected Versions

IBM WebSphere Application Server: