{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93895", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-09-18T20:30:18.225Z", "datePublished": "2026-10-13T20:18:07.987Z", "dateUpdated": "2026-10-17T00:49:16.812Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-13T20:18:07.987Z"}, "title": "IBM WebSphere Application Server Liberty 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": "20.0.0.12", "lessThanOrEqual": "26.0.0.10", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:websphere_application_server_liberty:20.0.0.12:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7292228", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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 DT502929. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to\u00a0 How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 .\u00a0\n\nFor IBM WebSphere Application Server Liberty 20.0.0.12 - 26.0.0.10 using the grpc-1.0 feature:\u00a0\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT502929 https://www.ibm.com/support/pages/node/7277460 \n--OR--\n\u00b7 Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026).\u00a0\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 DT502929. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to\u00a0<a href=\"https://www.ibm.com/support/pages/node/6553910\" rel=\"nofollow\">How to determine if Liberty is using a specific feature</a>.\u00a0<br/><br/><strong>For IBM WebSphere Application Server Liberty 20.0.0.12 - 26.0.0.10 using the grpc-1.0 feature:\u00a0</strong><br/>\u00b7 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/7277460\" rel=\"nofollow\">DT502929</a><br/>--OR--<br/>\u00b7 Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026).\u00a0<br/><br/>Additional interim fixes may be available and linked off the interim fix download page.</p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-17T00:49:08.152694Z", "id": "CVE-2026-93895", "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": "2026-10-17T00:49:16.812Z"}}]}}

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