CVE-2026-13773

published 2026-06-30

CVE-2026-13773: IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 Approximately 50 generated CORBA stub classes in WebSphere eXtreme Scale's ogclient.jar call…

Priority P2 68 critical 10 CVSS 3.1

AV N AC L PR N UI N S C C H I H A H

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 Approximately 50 generated CORBA stub classes in WebSphere eXtreme Scale's ogclient.jar call ORB.string_to_object() on an attacker-controlled IOR string during Java deserialization, turning any unfiltered ObjectInputStream sink in WAS into outbound IIOP SSRF to an attacker-chosen host; when chained with the IBM ORB's getUserException class-instantiation flaw (WAS-26), this SSRF escalates to remote code execution on the calling JVM.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
ibm	websphere_extreme_scale	8.6.1.0 – 8.6.1.6	—

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CWE-918