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CVE-2026-16180

Status: AnalyzedMedium (5.7)—

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

IBM — APP Connect EnterpriseIBM — Integration BUS FOR Z/os

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-16180",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-16180",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-04T17:32:10.822397Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.1
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:app_connect_enterprise:13.0.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:app_connect_enterprise:13.0.8.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:app_connect_enterprise:12.0.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:app_connect_enterprise:12.0.12.28:*:*:*:*:*:*:*"
          ],
          "vendor": "IBM",
          "product": "App Connect Enterprise",
          "versions": [
            {
              "status": "affected",
              "version": "13.0.1.0",
              "versionType": "semver",
              "lessThanOrEqual": "13.0.8.1"
            },
            {
              "status": "affected",
              "version": "12.0.1.0",
              "versionType": "semver",
              "lessThanOrEqual": "12.0.12.28"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:ibm:integration_bus_for_zos:10.1.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:integration_bus_for_zos:10.1.0.7:*:*:*:*:*:*:*"
          ],
          "vendor": "IBM",
          "product": "Integration Bus for z/OS",
          "versions": [
            {
              "status": "affected",
              "version": "10.1.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.1.0.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-09-04T17:16:51.977",
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7286372",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@us.ibm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-776"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities."
    }
  ],
  "lastModified": "2026-09-09T14:43:01.377",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F4EB200D-89F9-4102-8255-28ACB2627DD6",
              "versionEndExcluding": "12.0.12.29",
              "versionStartIncluding": "12.0.1.0"
            },
            {
              "criteria": "cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "890447E7-5268-4645-899D-C97671DE6EE5",
              "versionEndExcluding": "13.0.8.2",
              "versionStartIncluding": "13.0.1.0"
            },
            {
              "criteria": "cpe:2.3:a:ibm:integration_bus_for_z\\/os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FACEF8F4-50A8-4829-9152-08941B2814D3",
              "versionEndIncluding": "10.1.0.7",
              "versionStartIncluding": "10.1.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}