{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105443","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-10-05T13:20:11.832Z","datePublished":"2026-10-13T20:17:03.461Z","dateUpdated":"2026-10-16T17:16:58.050Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-10-13T20:17:03.461Z"},"title":"IBM WebSphere Application Server Liberty is affected by an improper access control","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-284","description":"CWE-284 Improper Access Control","type":"CWE"}]}],"affected":[{"vendor":"IBM","product":"WebSphere Application Server - Liberty","versions":[{"status":"affected","version":"17.0.0.3","lessThanOrEqual":"26.0.0.10","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*","cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7292226","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":8.2,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"}}],"solutions":[{"lang":"en","value":"IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT503659. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to  How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 . \n\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10 using the restConnector-1.0 or restConnector-2.0 feature(s): \n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves  DT503659 https://www.ibm.com/support/pages/node/7292198 \n--OR--\n· Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026). \n\nAdditional interim fixes may be available and linked off the interim fix download page.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT503659. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to <a href=\"https://www.ibm.com/support/pages/node/6553910\" rel=\"nofollow\">How to determine if Liberty is using a specific feature</a>. <br/><br/><strong>For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10 using the restConnector-1.0 or restConnector-2.0 feature(s): </strong><br/>· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7292198\" rel=\"nofollow\">DT503659</a><br/>--OR--<br/>· Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026). <br/><br/>Additional interim fixes may be available and linked off the interim fix download page.</p>"}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-16T15:25:46.018632Z","id":"CVE-2026-105443","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-16T17:16:58.050Z"}}]}}