CVE-2026-7400

{
  "id": "CVE-2026-7400",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-29T20:16:31.393",
  "lastModified": "2026-10-26T20:10:00.160",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in geekgod382 filesystem-mcp-server 1.0.0. This issue affects the function is_path_allowed of the file server.py of the component read_file_tool/write_file_tool. Such manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.1.0 is capable of addressing this issue. The name of the patch is 45364545fc60dc80aadcd4379f08042d3d3d292e. Upgrading the affected component is advised."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad de seguridad en geekgod382 filesystem-mcp-server 1.0.0. Este problema afecta a la función is_path_allowed del archivo server.py del componente read_file_tool/write_file_tool. Dicha manipulación conduce a un salto de ruta. El ataque puede ser lanzado de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. La actualización a la versión 1.1.0 es capaz de solucionar este problema. El nombre del parche es 45364545fc60dc80aadcd4379f08042d3d3d292e. Se aconseja actualizar el componente afectado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "geekgod382",
          "product": "filesystem-mcp-server",
          "modules": [
            "read_file_tool/write_file_tool"
          ],
          "versions": [
            {
              "version": "1.0.0",
              "status": "affected"
            },
            {
              "version": "1.1.0",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-29T19:56:24.504735Z",
          "id": "CVE-2026-7400",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/geekgod382/filesystem-mcp-server/",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/geekgod382/filesystem-mcp-server/commit/45364545fc60dc80aadcd4379f08042d3d3d292e",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/geekgod382/filesystem-mcp-server/issues/1",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/geekgod382/filesystem-mcp-server/releases/tag/v1.1.0",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/803495",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/360123",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/360123/cti",
      "source": "[email protected]"
    }
  ]
}