CVE-2026-8400 (GCVE-0-2026-8400)
Vulnerability from cvelistv5
Published
2026-08-05 15:58
Modified
2026-08-06 03:55
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Summary
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.
References
Impacted products
Vendor Product Version
IBM WebSphere Application Server Version: 8.5
Version: 9.0
    cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
 Create a notification for this product.
   IBM WebSphere Application Server - Liberty Version: Continuous delivery
    cpe:2.3:a:ibm:websphere_application_server_liberty:continuous:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website

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\"en\", \"value\": \"For IBM WebSphere Application Server Liberty:\\n\\n\\n\\nUpgrade to IBM SDK, Java Technology Edition Version 8 SR8 FP70 refer to  IBM Java SDKs for Liberty  http://www-01.ibm.com/support/docview.wss \\n\\n\\n\\nFor Version 9 IBM WebSphere Application Server traditional:\\n\\n\\n\\nUpdate to the IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 FP70 using the instructions in the IBM Documentation  Installing and updating IBM SDK, Java Technology Edition on distributed environments https://www.ibm.com/support/knowledgecenter/en/SSEQTP_9.0.5/com.ibm.websphere.installation.base.doc/ae/tins_installation_jdk.html  then use the IBM Installation Manager to access the  online product repositories https://www.ibm.com/support/knowledgecenter/SSEQTP_9.0.5/com.ibm.websphere.installation.base.doc/ae/cins_repositories.html  to install the SDK or use IBM Installation Manager and access the  packages from Fixcentral http://www-01.ibm.com/support/docview.wss .\\n\\n\\n\\n\\nFor Version 8.5.0.0 through 8.5.5.30 IBM WebSphere Application Server traditional:\\u00a0 \\n\\n\\n\\nFor the IBM SDK, Java Technology Version that you use, upgrade to the minimal fix pack level of IBM WebSphere Application Server as noted in the interim fix below then apply the interim fixes:\\n\\n\\n\\n\\nFor IBM SDK Java Technology Edition Version 8\\n\\n  *  For environments that have been upgraded to use the new default IBM SDK Version 8 bundled with IBM WebSphere Application Server Fix Pack 8.5.5.11 or later: Apply the interim fix that resolves  DT496796 https://www.ibm.com/support/pages/node/7281415 : Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 8 FP70.\\u00a0\\n\\n\\n\\n\\n\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0\\u00a0 OR\\n\\n  *  Apply IBM Java SDK shipped with IBM WebSphere Application Server Fix pack 31 (8.5.5.31) or later (targeted availability 3Q 2026).\\n\\n\\nFor Application Client for IBM WebSphere Application Server: 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