CVE-2026-116500

Full vulnerability record from the local CVENow database.

Description

IBM Qiskit SDK 2.4.0 through 2.6.1 could allow a local attacker to cause a denial of service due to unbound recursion during deserialization of untrusted QPY payloads.

Severity

MEDIUM

CVSS score

6.2 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-11-08 17:16:37.007000

Last modified

2026-11-08 17:16:37.113000

View original CVE JSON

{
  "id": "CVE-2026-116500",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-08T17:16:37.007",
  "lastModified": "2026-11-08T17:16:37.113",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Qiskit SDK 2.4.0 through 2.6.1 could allow a local attacker to cause a denial of service due to unbound recursion during deserialization of untrusted QPY payloads."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "Qiskit SDK",
          "cpes": [
            "cpe:2.3:a:ibm:qiskit_sdk:2.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:qiskit_sdk:2.6.1:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "2.4.0",
              "lessThanOrEqual": "2.6.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7295235",
      "source": "[email protected]"
    }
  ]
}