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CVE-2026-46374

Estado: AnalizadaAlta (7.5)—

SQLFluff is a modular SQL linter and auto-formatter with support for multiple dialects and templated code. Prior to version 4.2.0, in deployments where untrusted users can provide SQL queries to be linted, an untrusted user can submit a malicious long query to any application using the parser to trigger a Denial of Service through resource exhaustion. This issue has been patched in version 4.2.0.

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.

Vector AV:N/PR:N/UI:N indica aplicación expuesta en red sin autenticación (T1190). CWE-400 y descripción explícita de DoS por agotamiento de recursos confirma T1499.004 (resource exhaustion).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ 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)

Sqlfluff — Sqlfluff

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-46374",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-46374",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-10T12:57:27.239348Z"
        }
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          "attackVector": "NETWORK",
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          "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
      }
    ]
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    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
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          "versions": [
            {
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              "version": "< 4.2.0"
            }
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  "published": "2026-06-09T23:16:59.313",
  "references": [
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      "url": "https://github.com/sqlfluff/sqlfluff/security/advisories/GHSA-73jc-5mrq-prw7",
      "tags": [
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      ],
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    }
  ],
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    },
    {
      "lang": "es",
      "value": "SQLFluff es un linter y autoformateador de SQL modular con soporte para múltiples dialectos y código con plantillas. Antes de la versión 4.2.0, en implementaciones donde usuarios no confiables pueden proporcionar consultas SQL para ser analizadas, un usuario no confiable puede enviar una consulta larga maliciosa a cualquier aplicación que utilice el analizador para desencadenar una denegación de servicio mediante el agotamiento de recursos. Este problema ha sido parcheado en la versión 4.2.0."
    }
  ],
  "lastModified": "2026-07-23T09:10:00.113",
  "configurations": [
    {
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          "negate": false,
          "cpeMatch": [
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