CVE-2026-105443 (GCVE-0-2026-105443)

Vulnerability from cvelistv5 – Published: 2026-10-13 20:17 – Updated: 2026-10-13 20:17
VLAI
Title
IBM WebSphere Application Server Liberty is affected by an improper access control
Summary
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install.
CWE
  • CWE-284 - Improper Access Control
Assigner
ibm CNA under the mitre root
CNA scorecard B 88/100 over 1242 records in the last 180 days details
References
URL Tags
https://www.ibm.com/support/pages/node/7292226 vendor-advisorypatch
Impacted products
Vendor Product Version CPE status
IBM WebSphere Application Server - Liberty Affected: 17.0.0.3 , ≤ 26.0.0.10 (semver)
    cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*
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Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*"
          ],
          "product": "WebSphere Application Server - Liberty",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "26.0.0.10",
              "status": "affected",
              "version": "17.0.0.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install.\u003c/p\u003e"
            }
          ],
          "value": "IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
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          "scenarios": [
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              "value": "GENERAL"
            }
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      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284 Improper Access Control",
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              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-13T20:17:03.461Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
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          "tags": [
            "vendor-advisory",
            "patch"
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          "url": "https://www.ibm.com/support/pages/node/7292226"
        }
      ],
      "solutions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "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 DT503659. To determine if a feature is enabled for IBM 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.\u00a0\u003cbr/\u003e\u003cbr/\u003e\u003cstrong\u003eFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10 using the restConnector-1.0 or restConnector-2.0 feature(s):\u00a0\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/7292198\" rel=\"nofollow\"\u003eDT503659\u003c/a\u003e\u003cbr/\u003e--OR--\u003cbr/\u003e\u00b7 Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026).\u00a0\u003cbr/\u003e\u003cbr/\u003eAdditional interim fixes may be available and linked off the interim fix download page.\u003c/p\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT503659. To determine if a feature is enabled for IBM 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\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10 using the restConnector-1.0 or restConnector-2.0 feature(s):\u00a0\n\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves  DT503659 https://www.ibm.com/support/pages/node/7292198 \n--OR--\n\u00b7 Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026).\u00a0\n\nAdditional interim fixes may be available and linked off the interim fix download page."
        }
      ],
      "title": "IBM WebSphere Application Server Liberty is affected by an improper access control"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-105443",
    "datePublished": "2026-10-13T20:17:03.461Z",
    "dateReserved": "2026-10-05T13:20:11.832Z",
    "dateUpdated": "2026-10-13T20:17:03.461Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*",
                  "cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*"
                ],
                "product": "WebSphere Application Server - Liberty",
                "vendor": "IBM",
                "versions": [
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                    "status": "affected",
                    "version": "17.0.0.3",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "psirt@us.ibm.com"
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 has insufficient isolation between servers sharing an install."
          }
        ],
        "id": "CVE-2026-105443",
        "lastModified": "2026-10-13T21:17:27.100",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.2,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
                "version": "3.1"
              },
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              "impactScore": 5.8,
              "source": "psirt@us.ibm.com",
              "type": "Primary"
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        "published": "2026-10-13T21:17:27.100",
        "references": [
          {
            "source": "psirt@us.ibm.com",
            "url": "https://www.ibm.com/support/pages/node/7292226"
          }
        ],
        "sourceIdentifier": "psirt@us.ibm.com",
        "vulnStatus": "Received",
        "weaknesses": [
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            "description": [
              {
                "lang": "en",
                "value": "CWE-284"
              }
            ],
            "source": "psirt@us.ibm.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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