← Back to CVE Explorer

CVE-2026-14511

Full vulnerability record from the local CVENow database.

Description

IBM MQ 9.4.5.0 through 9.4.5.1 could allow an authenticated user to cause a denial of service by sending a specially crafted message that crashes consuming applications.

Severity
MEDIUM
CVSS score
6.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-19 17:17:20.110000
Last modified
2026-10-23 17:07:14.287000
View original CVE JSON
{
  "id": "CVE-2026-14511",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-19T17:17:20.110",
  "lastModified": "2026-10-23T17:07:14.287",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM MQ 9.4.5.0 through 9.4.5.1 could allow an authenticated user to cause a denial of service by sending a specially crafted message that crashes consuming applications."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "MQ",
          "cpes": [
            "cpe:2.3:a:ibm:mq:9.4.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "9.4.5.0",
              "lessThanOrEqual": "9.4.5.1",
              "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": "2026-10-20T15:10:12.968219Z",
          "id": "CVE-2026-14511",
          "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-770"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:mq:9.4.5.0:*:*:*:continuous_delivery:*:*:*",
              "matchCriteriaId": "BAF0417C-4ACA-48E0-9577-2B13DFF2CD1C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:continuous_delivery:*:*:*",
              "matchCriteriaId": "808752A2-38A8-4566-B50D-B67BF731E3F5"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7290859",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}