{
    "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": "2026-10-13T20:18:07.987Z"
    },
    "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": [
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                            "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  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 20.0.0.12 - 26.0.0.10 using the grpc-1.0 feature: \n· 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· 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": [
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                            "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 <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 20.0.0.12 - 26.0.0.10 using the grpc-1.0 feature: </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/7277460\" rel=\"nofollow\">DT502929</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>"
                        }
                    ]
                }
            ]
        }
    }
}