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    "cveMetadata": {
        "cveId": "CVE-2026-93907",
        "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "state": "PUBLISHED",
        "assignerShortName": "ibm",
        "dateReserved": "2026-09-18T20:47:34.247Z",
        "datePublished": "2026-10-13T13:47:31.780Z",
        "dateUpdated": "2026-10-14T03:59:00.509Z"
    },
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        "cna": {
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                "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
                "shortName": "ibm",
                "dateUpdated": "2026-10-13T13:47:31.780Z"
            },
            "title": "IBM WebSphere Application Server is affected by a bypass authentication vulnerability",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-287",
                            "description": "CWE-287 Improper Authentication",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "IBM",
                    "product": "WebSphere Application Server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "8.5"
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                        {
                            "status": "affected",
                            "version": "9.0"
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                    "cpes": [
                        "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "IBM WebSphere Application Server 8.5, and 9.0 could allow a remote attacker to bypass authentication by exploiting a flaw in the CSIv2 inbound propagation handler.",
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                            "value": "<p>IBM WebSphere Application Server 8.5, and 9.0 could allow a remote attacker to bypass authentication by exploiting a flaw in the CSIv2 inbound propagation handler.</p>"
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            ],
            "references": [
                {
                    "url": "https://www.ibm.com/support/pages/node/7292216",
                    "tags": [
                        "vendor-advisory",
                        "patch"
                    ]
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                            "lang": "en",
                            "value": "GENERAL"
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                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.1,
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
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            "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 DT502673.\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.29:\n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves  DT502673 https://www.ibm.com/support/pages/node/7292211   https://www.ibm.com/support/pages/node/7292211 \n--OR--\n· Apply Fix Pack 9.0.5.30 or later (targeted availability 4Q2026). \n\n\n\nFor V8.5.0.0 through 8.5.5.31:\n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves  DT502673 https://www.ibm.com/support/pages/node/7292211   https://www.ibm.com/support/pages/node/7292211 \n--OR--\n· Apply Fix Pack 8.5.5.32 or later (targeted availability 4Q2026). \n\n\n\n\n\n\n\nAdditional interim fixes may be available and linked off the interim fix download page.",
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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 DT502673.</p><p><strong>For IBM WebSphere Application Server traditional:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.29:</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/7292211\" rel=\"nofollow\">DT502673</a><a href=\"https://www.ibm.com/support/pages/node/7292211\" rel=\"nofollow\"></a><br/>--OR--<br/>· Apply Fix Pack 9.0.5.30 or later (targeted availability 4Q2026). </p><p><strong>For V8.5.0.0 through 8.5.5.31:</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/7292211\" rel=\"nofollow\">DT502673</a><a href=\"https://www.ibm.com/support/pages/node/7292211\" rel=\"nofollow\"></a><br/>--OR--<br/>· Apply Fix Pack 8.5.5.32 or later (targeted availability 4Q2026). </p><p></p><p>Additional interim fixes may be available and linked off the interim fix download page.</p>"
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                    ]
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        },
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-13T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-93907"
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                "title": "CISA ADP Vulnrichment",
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