Vulnerability Details CVE-2026-18499
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 19.2%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2026-18499
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cpe:2.3:a:ibm:websphere_application_server:17.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:17.0.0.4
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cpe:2.3:a:ibm:websphere_application_server:18.0.0.1
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cpe:2.3:a:ibm:websphere_application_server:18.0.0.2
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cpe:2.3:a:ibm:websphere_application_server:18.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:18.0.0.4
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.1
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.10
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.11
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.12
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.2
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.4
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.5
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.6
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.7
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.8
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cpe:2.3:a:ibm:websphere_application_server:19.0.0.9
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.1
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.10
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.11
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.12
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.2
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.4
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.5
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.6
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.7
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.8
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cpe:2.3:a:ibm:websphere_application_server:20.0.0.9
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.1
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.10
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.12
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.2
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.4
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cpe:2.3:a:ibm:websphere_application_server:21.0.0.5
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cpe:2.3:a:ibm:websphere_application_server:22.0.0.1
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cpe:2.3:a:ibm:websphere_application_server:22.0.0.5
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cpe:2.3:a:ibm:websphere_application_server:22.0.0.6
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cpe:2.3:a:ibm:websphere_application_server:23.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:24.0.0.3
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cpe:2.3:a:ibm:websphere_application_server:24.0.0.4
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cpe:2.3:a:ibm:websphere_application_server:24.0.0.5
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cpe:2.3:a:ibm:websphere_application_server:24.0.0.6