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                "id": "CVE-2026-4410",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-05-27T15:24:44.817386Z",
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            "descriptions": [
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                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
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                "type": "CWE"
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            ]
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          "dateUpdated": "2026-05-27T15:25:09.833Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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        "dateUpdated": "2026-05-27T12:54:48.488Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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              "value": "\u003cp\u003eIBM 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 \u003ca href=\"https://www.ibm.com/support/pages/node/6553910\" rel=\"nofollow\"\u003eHow to determine if Liberty is using a specific feature\u003c/a\u003e.\u0026nbsp;\u003c/p\u003e\u003cdiv\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server Liberty 19.0.0.7 - 26.0.0.5 using the sipServlet-1.1 feature:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7273237\" rel=\"nofollow\"\u003ePH70807\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 26.0.0.6 or later (targeted availability 2Q2026).\u003c/p\u003e\u003c/div\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server traditional:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V9.0.0.0 through 9.0.5.27:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7269402\" rel=\"nofollow\"\u003ePH70616\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 9.0.5.28 or later (targeted availability 2Q2026).\u0026nbsp;\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V8.5.0.0 through 8.5.5.29:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7269402\" rel=\"nofollow\"\u003ePH70616\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eAdditional interim fixes may be available and linked off the interim fix download page.\u003c/p\u003e"
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          "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."
        }
      ],
      "title": "IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a denial of service",
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    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-4410",
    "datePublished": "2026-05-27T12:54:48.488Z",
    "dateReserved": "2026-03-19T02:14:15.887Z",
    "dateUpdated": "2026-05-27T15:25:09.833Z",
    "state": "PUBLISHED"
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}