CVE-2026-11906

{
  "id": "CVE-2026-11906",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-30T20:17:28.273",
  "lastModified": "2026-10-25T21:10:00.770",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns."
    },
    {
      "lang": "es",
      "value": "IBM Db2 11.5.0 a 11.5.9, y 12.1.0 a 12.1.4 para Linux, UNIX y Windows (incluye el servidor Db2 Connect) podría permitir a un usuario autenticado causar una denegación de servicio debido a una neutralización inadecuada de elementos especiales en la lógica de consulta de datos de las columnas derivadas de XMLTable."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "Db2",
          "cpes": [
            "cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:db2:12.1.4:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "11.5.0",
              "lessThanOrEqual": "11.5.9",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "12.1.0",
              "lessThanOrEqual": "12.1.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-01T15:53:15.458939Z",
          "id": "CVE-2026-11906",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    }
  ],
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  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7277423",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}