CVE-2026-78636 · Runtime
NO FIX YET
IBM WebSphere Application Server Liberty versions 17.0.0.3 through 26.0.0.10 expose information because the JMX REST connector body parser uses unsafe class reflection. An attacker who can reach the connector can read data the server should keep hidden.
first public Nov 8, 2026 · 1 source
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Teams running IBM WebSphere Application Server Liberty in the affected range that expose the JMX REST connector. Servers without the JMX REST connector enabled are likely not reachable through this path, but the sources do not confirm this. The sources do not say whether authentication is required.
Not affected if jmx-rest-disabled
Who cares java, jmx, liberty, websphere
Unknown from the sources.
No fix yet, per the sources.
IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 is affected by an information disclosure vulnerability due to unsafe class reflection in the JMX REST connector body parser.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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