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CVE-2026-8400 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.ibm.com/support/pages/node/7282446	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-470	Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')	[email protected]

Affected Products

Product	Versions
ibm websphere application server	8.5.0.0 9.0.0.0
CPE cpe:2.3:a:ibm:websphere_application_server:-::::liberty::: cpe:2.3:a:ibm:websphere_application_server:8.5.0.0::::-::: cpe:2.3:a:ibm:websphere_application_server:9.0.0.0::::-::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Aug 10, 2026	Initial Analysis	[email protected]
Aug 6, 2026	CVE Modified	CISA-ADP
Aug 5, 2026	CVE Modified	CISA-ADP
Aug 5, 2026	New CVE Received	[email protected]