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CVE-2026-19336

Estado: AplazadaMedia (4.8)—

A vulnerability was found in Pimzino spec-workflow-mcp up to 2.2.6. This issue affects the function ApprovalStorage.createApproval of the file src/tools/approvals.ts. Performing a manipulation of the argument categoryName results in path traversal. The attack is only possible with local access. Upgrading to version 2.2.7 is capable of addressing this issue. The patch is named 9c7a7839e690bb4543f0e7481b5740d23808e5fe. It is advisable to upgrade the affected component.

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.

Pimzino — Spec Workflow MCPAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-19336",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19336",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-10T15:03:47.618128Z"
        }
      }
    ],
    "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": 4.8,
          "Automatable": "NOT_DEFINED",
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "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:X/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": "NOT_DEFINED",
          "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:pimzino:spec-workflow-mcp:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Pimzino",
          "product": "spec-workflow-mcp",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.0"
            },
            {
              "status": "affected",
              "version": "2.2.1"
            },
            {
              "status": "affected",
              "version": "2.2.2"
            },
            {
              "status": "affected",
              "version": "2.2.3"
            },
            {
              "status": "affected",
              "version": "2.2.4"
            },
            {
              "status": "affected",
              "version": "2.2.5"
            },
            {
              "status": "affected",
              "version": "2.2.6"
            },
            {
              "status": "unaffected",
              "version": "2.2.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-09T06:19:55.713",
  "references": [
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/commit/9c7a7839e690bb4543f0e7481b5740d23808e5fe",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/issues/220",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/pull/222",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-19336",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/865260",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/387172",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/387172/cti",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/issues/220",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was found in Pimzino spec-workflow-mcp up to 2.2.6. This issue affects the function ApprovalStorage.createApproval of the file src/tools/approvals.ts. Performing a manipulation of the argument categoryName results in path traversal. The attack is only possible with local access. Upgrading to version 2.2.7 is capable of addressing this issue. The patch is named 9c7a7839e690bb4543f0e7481b5740d23808e5fe. It is advisable to upgrade the affected component."
    }
  ],
  "lastModified": "2026-08-12T20:59:21.023",
  "sourceIdentifier": "cna@vuldb.com"
}