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CVE-2026-19338

Estado: AplazadaBaja (1.9)—

A vulnerability was identified in automateyournetwork MCPyATS up to 0.1.4. The affected element is the function processGenerateRequest of the file mcp_servers/mermaid/index.ts of the component generate_mermaid_markdown. The manipulation of the argument folder/name leads to path traversal. The attack must be carried out locally.

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.

Automateyournetwork — McpyatsAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-19338",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19338",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-10T21:02:19.630324Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": 3.1,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/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": 1.8
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 1.9,
          "Automatable": "NOT_DEFINED",
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/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:automateyournetwork:mcpyats:*:*:*:*:*:*:*:*"
          ],
          "vendor": "automateyournetwork",
          "modules": [
            "generate_mermaid_markdown"
          ],
          "product": "MCPyATS",
          "versions": [
            {
              "status": "affected",
              "version": "0.1.0"
            },
            {
              "status": "affected",
              "version": "0.1.1"
            },
            {
              "status": "affected",
              "version": "0.1.2"
            },
            {
              "status": "affected",
              "version": "0.1.3"
            },
            {
              "status": "affected",
              "version": "0.1.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-09T07:17:02.763",
  "references": [
    {
      "url": "https://github.com/automateyournetwork/MCPyATS/",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/automateyournetwork/MCPyATS/issues/22",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-19338",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/865262",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/387174",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/387174/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 identified in automateyournetwork MCPyATS up to 0.1.4. The affected element is the function processGenerateRequest of the file mcp_servers/mermaid/index.ts of the component generate_mermaid_markdown. The manipulation of the argument folder/name leads to path traversal. The attack must be carried out locally."
    }
  ],
  "lastModified": "2026-08-12T20:59:21.023",
  "sourceIdentifier": "cna@vuldb.com"
}