{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4410", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-03-19T02:14:15.887Z", "datePublished": "2026-05-27T12:54:48.488Z", "dateUpdated": "2026-05-27T15:25:09.833Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-05-27T12:54:48.488Z"}, "title": "IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a denial of service", "affected": [{"vendor": "IBM", "product": "WebSphere Application Server - Liberty", "versions": [{"status": "affected", "version": "19.0.0.7", "lessThanOrEqual": "26.0.0.5", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:websphere_application_server___liberty:19.0.0.7:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.5:*:*:*:*:*:*:*"]}, {"vendor": "IBM", "product": "WebSphere Application Server", "versions": [{"status": "affected", "version": "9.0"}, {"status": "affected", "version": "8.5"}], "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:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server - Liberty 19.0.0.7 through 26.0.0.5 and IBM WebSphere Application Server 9.0, and 8.5 and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM WebSphere Application Server - Liberty 19.0.0.7 through 26.0.0.5 and IBM WebSphere Application Server 9.0, and 8.5 and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7273424", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 4.8, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/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 PH70807 and APAR PH70616. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to 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 19.0.0.7 - 26.0.0.5 using the sipServlet-1.1 feature:\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 PH70807 https://www.ibm.com/support/pages/node/7273237 \n--OR--\n\u00b7 Apply Fix Pack 26.0.0.6 or later (targeted availability 2Q2026).\n\n\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.27:\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH70616 https://www.ibm.com/support/pages/node/7269402 \n--OR--\n\u00b7 Apply Fix Pack 9.0.5.28 or later (targeted availability 2Q2026).\u00a0\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.29:\n\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH70616 https://www.ibm.com/support/pages/node/7269402 \n--OR--\n\u00b7 Apply Fix Pack 8.5.5.30 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 PH70807 and APAR PH70616. To determine if a feature is enabled for 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>.&nbsp;</p><div><p><strong>For IBM WebSphere Application Server Liberty 19.0.0.7 - 26.0.0.5 using the sipServlet-1.1 feature:</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/7273237\" rel=\"nofollow\">PH70807</a><br>--OR--<br>\u00b7 Apply Fix Pack 26.0.0.6 or later (targeted availability 2Q2026).</p></div><p><strong>For IBM WebSphere Application Server traditional:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.27:</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/7269402\" rel=\"nofollow\">PH70616</a><br>--OR--<br>\u00b7 Apply Fix Pack 9.0.5.28 or later (targeted availability 2Q2026).&nbsp;&nbsp;</p><p><strong>For V8.5.0.0 through 8.5.5.29:</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/7269402\" rel=\"nofollow\">PH70616</a><br>--OR--<br>\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).</p><p></p><p>Additional interim fixes may be available and linked off the interim fix download page.</p>"}]}], "x_generator": {"engine": "ibm-cvegen"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-27T15:24:44.817386Z", "id": "CVE-2026-4410", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T15:25:09.833Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-4410", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-27T15:24:44.817386Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T15:23:32.752Z"}}], "cna": {"title": "IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a denial of service", "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:ibm:websphere_application_server___liberty:19.0.0.7:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.5:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "WebSphere Application Server - Liberty", "versions": [{"status": "affected", "version": "19.0.0.7", "versionType": "semver", "lessThanOrEqual": "26.0.0.5"}]}, {"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"}]}], "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 PH70807 and APAR PH70616. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to 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 19.0.0.7 - 26.0.0.5 using the sipServlet-1.1 feature:\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 PH70807 https://www.ibm.com/support/pages/node/7273237 \n--OR--\n\u00b7 Apply Fix Pack 26.0.0.6 or later (targeted availability 2Q2026).\n\n\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.27:\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH70616 https://www.ibm.com/support/pages/node/7269402 \n--OR--\n\u00b7 Apply Fix Pack 9.0.5.28 or later (targeted availability 2Q2026).\u00a0\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.29:\n\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH70616 https://www.ibm.com/support/pages/node/7269402 \n--OR--\n\u00b7 Apply Fix Pack 8.5.5.30 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 PH70807 and APAR PH70616. 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A remote attacker could exploit this vulnerability to cause the server to consume memory resources.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM WebSphere Application Server - Liberty 19.0.0.7 through 26.0.0.5 and IBM WebSphere Application Server 9.0, and 8.5 and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.</p>", "base64": false}]}], "providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-05-27T12:54:48.488Z"}}}, "cveMetadata": {"cveId": "CVE-2026-4410", "state": "PUBLISHED", "dateUpdated": "2026-05-27T15:25:09.833Z", "dateReserved": "2026-03-19T02:14:15.887Z", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "datePublished": "2026-05-27T12:54:48.488Z", "assignerShortName": "ibm"}, "dataVersion": "5.2"}

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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": "semver", "value": "[19.0.0.7,26.0.0.5]"}}], "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": "2026-05-27T16:00:08.698535+00:00", "updated": "2026-05-27T20:45:25.614897+00:00", "vendors": ["ibm", "ibm$PRODUCT$websphere_application_server", "ibm$PRODUCT$websphere_application_server___liberty"], "weaknesses": ["CWE-399", "CWE-770", "CWE-400"]}