CVE-2026-8400

Multiple Vulnerabilities in IBM® Java SDK affect IBM WebSphere Application Server and WebSphere Application Server Liberty due to the July 2026 CPU

State: Published
Severity: 8.1 High
Published: Aug 5, 2026
Updated: Aug 6, 2026
Reserved: May 12, 2026

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Description

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery has a flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantation of arbitrary classes.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	ibm

Weaknesses

CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Affected Products

Product	Versions
WebSphere Application ServerIBM	8.5Affected 9.0Affected
WebSphere Application Server - LibertyIBM	Continuous deliveryAffected

References

https://www.ibm.com/support/pages/node/7282446vendor-advisorypatch

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