CVE-2026-13271

Full vulnerability record from the local CVENow database.

Description

IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD Managed File Transfer could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper restriction of XML external entity references in command queue processing.

Severity

HIGH

CVSS score

8.1 (v3.1)

Vulnerability status

Undergoing Analysis

Source identifier

[email protected]

Published

2026-11-04 21:18:11.777000

Last modified

2026-11-04 21:18:11.900000

View original CVE JSON

{
  "id": "CVE-2026-13271",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-04T21:18:11.777",
  "lastModified": "2026-11-04T21:18:11.900",
  "vulnStatus": "Undergoing Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD Managed File Transfer could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper restriction of XML external entity references in command queue processing."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "MQ",
          "cpes": [
            "cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "9.2.0.0",
              "lessThanOrEqual": "9.2.0.44",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.3.0.0",
              "lessThanOrEqual": "9.3.0.42",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.4.0.0",
              "lessThanOrEqual": "9.4.0.26",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.4.0.0",
              "lessThanOrEqual": "9.4.5.1",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "10.0.0.0",
              "lessThanOrEqual": "10.0.0.5",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7294654",
      "source": "[email protected]"
    }
  ]
}