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CVE-2026-25904

Estado: AplazadaMedia (5.8)—

The Pydantic-AI MCP Run Python tool configures the Deno sandbox with an overly permissive configuration that allows the underlying Python code to access the localhost interface of the host to perform SSRF attacks. Note - the "mcp-run-python" project is archived and unlikely to receive a fix.

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).

Tecnologías afectadas (3)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Deno — DenoAIPydantic — Mcp-run-pythonAIPydantic — Pydantic-aiAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-25904",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-25904",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-09T14:02:22.527691Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "reefs@jfrog.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "reefs@jfrog.com",
      "affectedData": [
        {
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "python"
            }
          ],
          "packageName": "mcp-run-python",
          "collectionURL": "https://pypi.org/project/pip"
        }
      ]
    }
  ],
  "published": "2026-02-09T09:16:33.850",
  "references": [
    {
      "url": "https://research.jfrog.com/vulnerabilities/mcp-run-python-deno-ssrf-jfsa-2026-001653029/",
      "source": "reefs@jfrog.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "reefs@jfrog.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Pydantic-AI MCP Run Python tool configures the Deno sandbox with an overly permissive configuration that allows the underlying Python code to access the localhost interface of the host to perform SSRF attacks. Note - the \"mcp-run-python\" project is archived and unlikely to receive a fix."
    },
    {
      "lang": "es",
      "value": "La herramienta Pydantic-AI MCP Run Python configura el sandbox de Deno con una configuración excesivamente permisiva que permite al código Python subyacente acceder a la interfaz localhost del host para realizar ataques SSRF. Nota - el proyecto 'mcp-run-python' está archivado y es poco probable que reciba una solución."
    }
  ],
  "lastModified": "2026-06-17T10:25:24.800",
  "sourceIdentifier": "reefs@jfrog.com"
}