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CVE-2026-10278

Estado: AplazadaBaja (2.1)—

A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component read_file/write_file. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

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 (1)

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

Ishayoyo — Excel-mcpAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-10278",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-10278",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-02T12:46:37.724390Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 2.8
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 2.1,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ishayoyo:excel-mcp:*:*:*:*:*:*:*:*"
          ],
          "vendor": "ishayoyo",
          "modules": [
            "read_file/write_file"
          ],
          "product": "excel-mcp",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0"
            },
            {
              "status": "affected",
              "version": "1.0.1"
            },
            {
              "status": "affected",
              "version": "1.0.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-06-01T19:16:20.440",
  "references": [
    {
      "url": "https://github.com/ishayoyo/excel-mcp/",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/ishayoyo/excel-mcp/issues/6",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-10278",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/825418",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/367571",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/367571/cti",
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component read_file/write_file. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se determinó una vulnerabilidad en ishayoyo excel-mcp hasta la versión 1.0.2. Se ve afectada una función desconocida del archivo src/index.ts del componente read_file/write_file. La ejecución de una manipulación del argumento filePath/outputPath puede conducir a un salto de ruta. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. Se informó al proyecto del problema con antelación a través de un informe de incidencias, pero aún no ha respondido."
    }
  ],
  "lastModified": "2026-07-22T07:10:00.107",
  "sourceIdentifier": "cna@vuldb.com"
}