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CVE-2026-18953

Estado: AnalizadaMedia (6.3)—

Improper limitation of a pathname to a restricted directory in the get_resource tool in Amazon awslabs.aws-transform-mcp-server 0.1.0 through 0.1.4 might allow a context-dependent actor to write arbitrary files outside the intended working directory via the savePath parameter.

To remediate this issue, users should upgrade to version 0.1.5 or later.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-18953",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-18953",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-06T14:51:32.807113Z"
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        "type": "Primary",
        "source": "nvd@nist.gov",
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    "cvssMetricV40": [
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        "type": "Secondary",
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
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          "vulnIntegrityImpact": "NONE",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "affected": [
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      "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
      "affectedData": [
        {
          "vendor": "AWS",
          "product": "aws-transform-mcp-server",
          "versions": [
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              "versionType": "custom",
              "lessThanOrEqual": "0.1.4"
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  "published": "2026-08-05T20:17:07.770",
  "references": [
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      "url": "https://aws.amazon.com/security/security-bulletins/2026-075-aws/",
      "tags": [
        "Vendor Advisory"
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      "tags": [
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      "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"
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    {
      "url": "https://pypi.org/project/awslabs.aws-transform-mcp-server/0.1.5/",
      "tags": [
        "Product"
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      "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5"
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      "description": [
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    {
      "lang": "en",
      "value": "Improper limitation of a pathname to a restricted directory in the get_resource tool in Amazon awslabs.aws-transform-mcp-server 0.1.0 through 0.1.4 might allow a context-dependent actor to write arbitrary files outside the intended working directory via the savePath parameter.\n\n\n\nTo remediate this issue, users should upgrade to version 0.1.5 or later."
    }
  ],
  "lastModified": "2026-08-10T13:12:47.973",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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          "operator": "OR"
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  "sourceIdentifier": "ff89ba41-3aa1-4d27-914a-91399e9639e5"
}