{"dataType": "CVE_RECORD", "dataVersion": "5.2", "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"}, "containers": {"cna": {"providerMetadata": {"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"}, {"status": "affected", "version": "9.0"}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7292216", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "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"}}], "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\u00b7 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\u00b7 Apply Fix Pack 9.0.5.30 or later (targeted availability 4Q2026).\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.31:\n\u00b7 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\u00b7 Apply Fix Pack 8.5.5.32 or later (targeted availability 4Q2026).\u00a0\n\n\n\n\n\n\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 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/>\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/7292211\" rel=\"nofollow\">DT502673</a><a href=\"https://www.ibm.com/support/pages/node/7292211\" rel=\"nofollow\"></a><br/>--OR--<br/>\u00b7 Apply Fix Pack 9.0.5.30 or later (targeted availability 4Q2026).\u00a0</p><p><strong>For V8.5.0.0 through 8.5.5.31:</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/7292211\" rel=\"nofollow\">DT502673</a><a href=\"https://www.ibm.com/support/pages/node/7292211\" rel=\"nofollow\"></a><br/>--OR--<br/>\u00b7 Apply Fix Pack 8.5.5.32 or later (targeted availability 4Q2026).\u00a0</p><p></p><p>Additional interim fixes may be available and linked off the interim fix download page.</p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-13T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-93907"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T03:59:00.509Z"}}]}}

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