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CVE-2026-4870

Estado: AnalizadaAlta (7.5)—

IBM Qiskit SDK 0.43.0 through 2.5.0 could allow an attacker to trigger a segmentation fault leading to a denial of service due to uncontrolled recursion in the parser.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (1)

IBM — Qiskit Software Development KIT

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-4870",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-4870",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-15T13:37:33.434370Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:qiskit_sdk:0.43.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:qiskit_sdk:2.5.0:*:*:*:*:*:*:*"
          ],
          "vendor": "IBM",
          "product": "Qiskit SDK",
          "versions": [
            {
              "status": "affected",
              "version": "0.43.0",
              "versionType": "semver",
              "lessThanOrEqual": "2.5.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-06-12T21:16:23.963",
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7276123",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    }
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  "weaknesses": [
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      "description": [
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          "value": "CWE-674"
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    {
      "lang": "en",
      "value": "IBM Qiskit SDK 0.43.0 through 2.5.0 could allow an attacker to trigger a segmentation fault leading to a denial of service due to uncontrolled recursion in the parser."
    }
  ],
  "lastModified": "2026-06-17T10:57:22.050",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:qiskit_software_development_kit:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "1.4.6",
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            },
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}