Bug 2512497 (CVE-2026-8400)

Summary: CVE-2026-8400 java-1.8.0-ibm: Arbitrary class loading and instantiation via malicious IIOP server
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the ORB (Object Request Broker) component of IBM SDK, Java Technology Edition. A malicious IIOP (Internet Inter-ORB Protocol) server could exploit this vulnerability to force the loading and creation of unauthorized software components. This could lead to the execution of arbitrary code, potentially compromising the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-08-07 13:16:49 UTC
A flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantiation of arbitrary classes.

Comment 2 errata-xmlrpc 2026-08-10 16:46:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:52949 https://access.redhat.com/errata/RHSA-2026:52949