CVE-2025-65200

{
  "id": "CVE-2025-65200",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-22T19:17:32.260",
  "lastModified": "2026-10-29T02:16:42.417",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via crafted content hosted on a web-accessable URL and when passed said URL in the the templateURL to the _localstack/cloudformation/deploy endpoint, the hosted content can get executed in the context of the docker container."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en localstack 4.9.2 que permite a los atacantes ejecutar código arbitrario mediante contenido manipulado alojado en una URL accesible desde la web y, cuando se pasa dicha URL en el parámetro templateURL al endpoint _localstack/cloudformation/deploy, el contenido alojado puede ejecutarse en el contexto del contenedor Docker."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "baseScore": 9.6,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-29T01:56:31.906089Z",
          "id": "CVE-2025-65200",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://localstack.com",
      "source": "[email protected]"
    },
    {
      "url": "https://cyberroute.github.io/post/2025-12-11-localstack-hack/",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.py",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/localstack/localstack/pull/13293/",
      "source": "[email protected]"
    }
  ]
}