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CVE-2026-11545 (GCVE-0-2026-11545)

Vulnerability from cvelistv5 – Published: 2026-09-18 19:04 – Updated: 2026-09-18 19:04
VLAI
Title
IBM WebSphere Application Server is affected by a privilege escalation
Summary
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to obtain sensitive information from the administrative console due to missing authorization checks.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
Assigner
References
URL Tags
https://www.ibm.com/support/pages/node/7286730 vendor-advisorypatch
Impacted products
Vendor Product Version CPE status
IBM WebSphere Application Server Affected: 8.5
Affected: 9.0
    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:*:*:*:*:*:*:*
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "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:*:*:*:*:*:*:*"
          ],
          "product": "WebSphere Application Server",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "8.5"
            },
            {
              "status": "affected",
              "version": "9.0"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to obtain sensitive information from the administrative console due to missing authorization checks.\u003c/p\u003e"
            }
          ],
          "value": "IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to obtain sensitive information from the administrative console due to missing authorization checks."
        }
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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              "lang": "en",
              "value": "GENERAL"
            }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-18T19:04:20.039Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
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            "patch"
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          "url": "https://www.ibm.com/support/pages/node/7286730"
        }
      ],
      "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 fix pack that contains the fix for APAR DT496500.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server traditional:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003eFor V9.0.0.0 through 9.0.5.28:\u003cbr/\u003e\u00b7 Apply Fix Pack\u00a0\u003ca href=\"https://www.ibm.com/support/pages/node/7285876\" rel=\"nofollow\"\u003e9.0.5.29\u003c/a\u003e\u00a0(availability September 2026) or later fix pack.\u00a0\u003c/p\u003e\u003cp\u003eFor V8.5.0.0 through 8.5.5.30\u003cbr/\u003e\u00b7 Apply Fix Pack\u00a0\u003ca href=\"https://www.ibm.com/support/pages/node/7285869\" rel=\"nofollow\"\u003e8.5.5.31\u003c/a\u003e\u00a0(availability September 2026) or later fix pack.\u00a0\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"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now by applying a currently available fix pack that contains the fix for APAR DT496500.\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.28:\n\u00b7 Apply Fix Pack\u00a0 9.0.5.29 https://www.ibm.com/support/pages/node/7285876 \u00a0(availability September 2026) or later fix pack.\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.30\n\u00b7 Apply Fix Pack\u00a0 8.5.5.31 https://www.ibm.com/support/pages/node/7285869 \u00a0(availability September 2026) or later fix pack.\u00a0\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 is affected by a privilege escalation"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-11545",
    "datePublished": "2026-09-18T19:04:20.039Z",
    "dateReserved": "2026-06-08T03:12:13.046Z",
    "dateUpdated": "2026-09-18T19:04:20.039Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "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:*:*:*:*:*:*:*"
                ],
                "product": "WebSphere Application Server",
                "vendor": "IBM",
                "versions": [
                  {
                    "status": "affected",
                    "version": "8.5"
                  },
                  {
                    "status": "affected",
                    "version": "9.0"
                  }
                ]
              }
            ],
            "source": "psirt@us.ibm.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to obtain sensitive information from the administrative console due to missing authorization checks."
          }
        ],
        "id": "CVE-2026-11545",
        "lastModified": "2026-09-18T20:17:00.637",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.7,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 1.4,
              "source": "psirt@us.ibm.com",
              "type": "Primary"
            }
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        "published": "2026-09-18T20:17:00.637",
        "references": [
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            "source": "psirt@us.ibm.com",
            "url": "https://www.ibm.com/support/pages/node/7286730"
          }
        ],
        "sourceIdentifier": "psirt@us.ibm.com",
        "vulnStatus": "Received",
        "weaknesses": [
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            "description": [
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                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "psirt@us.ibm.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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