CVE-2026-16480

{
  "id": "CVE-2026-16480",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-12T21:17:36.293",
  "lastModified": "2026-10-23T19:10:00.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data."
    },
    {
      "lang": "es",
      "value": "IBM Db2 11.5.0 hasta 11.5.9, y 12.1.0 hasta 12.1.5 está afectado por una vulnerabilidad de autorización indebida en un comyo determinado, permitiendo a un usuario no privilegiado eludir las comprobaciones de autoridad y modificar los datos del catálogo de la base de datos."
    }
  ],
  "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:db2:12.1.5:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "11.5.0",
              "lessThanOrEqual": "11.5.9",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "12.1.0",
              "lessThanOrEqual": "12.1.5",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-13T13:41:36.860639Z",
          "id": "CVE-2026-16480",
          "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-602"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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              "versionStartIncluding": "11.5",
              "versionEndIncluding": "11.5.9",
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  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7282951",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}