CVE-2026-15064

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15064", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-08T14:31:56.928Z", "datePublished": "2026-07-28T20:10:16.529Z", "dateUpdated": "2026-09-23T20:53:05.098Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-23T20:53:05.098Z"}, "title": "IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-444", "description": "CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "WebSphere Application Server", "versions": [{"status": "affected", "version": "9.0"}, {"status": "affected", "version": "8.5"}], "defaultStatus": "unaffected", "cpes": ["cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"]}, {"vendor": "IBM", "product": "WebSphere Application Server - Liberty", "versions": [{"status": "affected", "version": "17.0.0.3", "lessThanOrEqual": "26.0.0.7", "versionType": "semver"}], "defaultStatus": "unaffected", "cpes": ["cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.8:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7281625", "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": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/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 PH72191 or PH72192. To determine if a feature is enabled for 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\n\n\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1\u00a0 feature(s):\n\n\n\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72191 https://www.ibm.com/support/pages/node/7277460 \n--OR--\n\u00b7 Apply Fix Pack 26.0.0.8 or later (targeted availability 3Q2026).\n\n\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.28:\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72192 https://www.ibm.com/support/pages/node/7281143 \n--OR--\n\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u00a0\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.30:\n\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH72192 https://www.ibm.com/support/pages/node/7281143 \n--OR--\n\u00b7 Apply Fix Pack 8.5.5.31 or later (targeted availability 3Q2026).\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 PH72191 or PH72192. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to&nbsp;<a href=\"https://www.ibm.com/support/pages/node/6553910\" rel=\"nofollow\">How to determine if Liberty is using a specific feature</a>. &nbsp;</p><div><p><strong>For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1&nbsp; feature(s):</strong></p><p>\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?PH72191b\" rel=\"nofollow\">PH72191</a><br>--OR--<br>\u00b7 Apply Fix Pack 26.0.0.8 or later (targeted availability 3Q2026).</p></div><p><strong>For IBM WebSphere Application Server traditional:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.28:</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/7281143\" rel=\"nofollow\">PH72192</a><br>--OR--<br>\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).&nbsp;&nbsp;</p><p><strong>For V8.5.0.0 through 8.5.5.30:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7281143\" rel=\"nofollow\">PH72192</a><br>--OR--<br>\u00b7 Apply Fix Pack 8.5.5.31 or later (targeted availability 3Q2026).</p><p></p><p>Additional interim fixes may be available and linked off the interim fix download page.</p>"}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "ibm-cvegen"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-29T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-15064"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-30T03:55:29.367Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-15064", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-29T13:39:44.153678Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T13:39:50.408Z"}}], "cna": {"title": "IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "WebSphere Application Server", "versions": [{"status": "affected", "version": "9.0"}, {"status": "affected", "version": "8.5"}], "defaultStatus": "unaffected"}, {"cpes": ["cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.8:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "WebSphere Application Server - Liberty", "versions": [{"status": "affected", "version": "17.0.0.3", "versionType": "semver", "lessThanOrEqual": "26.0.0.7"}], "defaultStatus": "unaffected"}], "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 PH72191 or PH72192. To determine if a feature is enabled for 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\n\n\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1\u00a0 feature(s):\n\n\n\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72191 https://www.ibm.com/support/pages/node/7277460 \n--OR--\n\u00b7 Apply Fix Pack 26.0.0.8 or later (targeted availability 3Q2026).\n\n\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.28:\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72192 https://www.ibm.com/support/pages/node/7281143 \n--OR--\n\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u00a0\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.30:\n\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH72192 https://www.ibm.com/support/pages/node/7281143 \n--OR--\n\u00b7 Apply Fix Pack 8.5.5.31 or later (targeted availability 3Q2026).\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", "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 PH72191 or PH72192. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to&nbsp;<a href=\"https://www.ibm.com/support/pages/node/6553910\" rel=\"nofollow\">How to determine if Liberty is using a specific feature</a>. &nbsp;</p><div><p><strong>For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1&nbsp; feature(s):</strong></p><p>\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?PH72191b\" rel=\"nofollow\">PH72191</a><br>--OR--<br>\u00b7 Apply Fix Pack 26.0.0.8 or later (targeted availability 3Q2026).</p></div><p><strong>For IBM WebSphere Application Server traditional:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.28:</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/7281143\" rel=\"nofollow\">PH72192</a><br>--OR--<br>\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).&nbsp;&nbsp;</p><p><strong>For V8.5.0.0 through 8.5.5.30:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7281143\" rel=\"nofollow\">PH72192</a><br>--OR--<br>\u00b7 Apply Fix Pack 8.5.5.31 or later (targeted availability 3Q2026).</p><p></p><p>Additional interim fixes may be available and linked off the interim fix download page.</p>", "base64": false}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7281625", "tags": ["vendor-advisory", "patch"]}], "x_generator": {"engine": "ibm-cvegen"}, "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-444", "description": "CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')"}]}], "providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-23T20:53:05.098Z"}}}, "cveMetadata": {"cveId": "CVE-2026-15064", "state": "PUBLISHED", "dateUpdated": "2026-09-23T20:53:05.098Z", "dateReserved": "2026-07-08T14:31:56.928Z", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "datePublished": "2026-07-28T20:10:16.529Z", "assignerShortName": "ibm"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "WebSphere Application Server", "vendor": "IBM", "versions": [{"status": "affected", "version": "9.0"}, {"status": "affected", "version": "8.5"}]}, {"cpes": ["cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.8:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "WebSphere Application Server - Liberty", "vendor": "IBM", "versions": [{"lessThanOrEqual": "26.0.0.7", "status": "affected", "version": "17.0.0.3", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "E9B7FD32-5DA2-4A69-B39E-A419DBC06221", "versionEndExcluding": "8.5.5.31", "versionStartIncluding": "8.5.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "BA0DBCF1-7255-420A-B0A4-04C90BAE14F6", "versionEndExcluding": "9.0.5.29", "versionStartIncluding": "9.0.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*", "matchCriteriaId": "4C1FBCD8-54C7-4C29-A3BA-5A07C5948B40", "versionEndExcluding": "26.0.0.8", "versionStartIncluding": "17.0.0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens."}], "id": "CVE-2026-15064", "lastModified": "2026-09-23T21:16:58.210", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.8, "source": "psirt@us.ibm.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-15064", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-29T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-07-28T21:17:27.493", "references": [{"source": "psirt@us.ibm.com", "tags": ["Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/7281625"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "psirt@us.ibm.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "9.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8.5"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "WebSphere Application Server", "source": "cna", "vendor": "IBM"}, "product": "websphere_application_server", "vendor": "ibm"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17.0.0.3,26.0.0.7]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "WebSphere Application Server - Liberty", "source": "cna", "vendor": "IBM"}, "product": "websphere_application_server___liberty", "vendor": "ibm"}], "created": "2026-07-29T02:00:05.489763+00:00", "updated": "2026-09-23T23:15:10.718805+00:00", "vendors": ["ibm", "ibm$PRODUCT$websphere_application_server", "ibm$PRODUCT$websphere_application_server___liberty"]}