CVE-2026-10859

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 could allow an authenticated attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads.

Severity

HIGH

CVSS score

7.5 (v3.1)

Vulnerability status

Undergoing Analysis

Source identifier

[email protected]

Published

2026-11-04 21:17:48.103000

Last modified

2026-11-04 21:17:48.217000

View original CVE JSON

{
  "id": "CVE-2026-10859",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-04T21:17:48.103",
  "lastModified": "2026-11-04T21:17:48.217",
  "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 could allow an authenticated attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads."
    }
  ],
  "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:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7294664",
      "source": "[email protected]"
    }
  ]
}