CVE-2026-19336

{
  "id": "CVE-2026-19336",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-09T06:19:55.713",
  "lastModified": "2026-10-23T20:10:00.160",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "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."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad en Pimzino spec-workflow-mcp hasta la versión 2.2.6. Este problema afecta a la función ApprovalStorage.createApproval del archivo src/tools/approvals.ts. Realizar una manipulación del argumento categoryName resulta en un salto de ruta. El ataque solo es posible con acceso local. La actualización a la versión 2.2.7 es capaz de abordar este problema. El parche se llama 9c7a7839e690bb4543f0e7481b5740d23808e5fe. Es aconsejable actualizar el componente afectado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Pimzino",
          "product": "spec-workflow-mcp",
          "cpes": [
            "cpe:2.3:a:pimzino:spec-workflow-mcp:*:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "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": "affected"
            },
            {
              "version": "2.2.7",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "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",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "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:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P",
          "baseScore": 4.3,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.1,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-10T15:03:47.618128Z",
          "id": "CVE-2026-19336",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "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/Pimzino/spec-workflow-mcp/",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/commit/9c7a7839e690bb4543f0e7481b5740d23808e5fe",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/issues/220",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/pull/222",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-19336",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/865260",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/387172",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/387172/cti",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/Pimzino/spec-workflow-mcp/issues/220",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}