CVE-2026-73247

{
  "id": "CVE-2026-73247",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-11T22:19:05.417",
  "lastModified": "2026-10-24T15:10:00.190",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0, Kestra's core/src/main/java/io/kestra/core/runners/pebble/functions/HttpFunction.java passes the user-controlled http() uri argument to URI.create() and the server-side HTTP client without restricting private, loopback, or link-local destinations, allowing an unauthenticated attacker to import and execute a flow that accesses internal services or cloud metadata."
    },
    {
      "lang": "es",
      "value": "Kestra es una plataforma de orquestación de código abierto y basada en eventos. Antes de la versión 2.0.0, el archivo core/src/main/java/io/kestra/core/runners/pebble/functions/HttpFunction.java de Kestra pasa el argumento uri de http() controlado por el usuario a URI.create() y al cliente HTTP del lado del servidor sin restringir destinos privados, de bucle invertido o de enlace local, lo que permite a un atacante no autenticado importar y ejecutar un flujo que accede a servicios internos o metadatos de la nube."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "kestra-io",
          "product": "kestra",
          "versions": [
            {
              "version": "< 2.0.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-13T13:22:52.239035Z",
          "id": "CVE-2026-73247",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r56g-q4p6-m3p6",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r56g-q4p6-m3p6",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}