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CVE-2026-6790

Estado: AnalizadaMedia (5.3)—

In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority (host and port) matches what provided in the Host header (if present).

This was not enforced in earlier HTTP RFC (for example, in RFC 2616), but it is in the latest RFC (9110 and 9112).

This mismatch can cause a number of problems that may be classified as vulnerabilities such as:

Given that the latest RFCs require that request authority and Host header must match, Jetty should enforce this invariant.

Detalles técnicos trazas, registros y código del informe original
  *

      URI constructions (for example, for redirects -- this is typical for login pages)

  *

      Virtual host selection

  *

      Reverse proxying

  *

      Misleading logs

  *

      Etc.

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)

Eclipse — Jetty

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-6790",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "yes"
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-07-14T12:18:58.528202Z"
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          "attackComplexity": "LOW",
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          "vendor": "Eclipse Foundation",
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          "value": "CWE-20"
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    {
      "lang": "en",
      "value": "In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority (host and port) matches what provided in the Host header (if present).\n\n\n\n\nThis was not enforced in earlier HTTP RFC (for example, in RFC 2616), but it is in the latest RFC (9110 and 9112).\n\n\n\n\nThis mismatch can cause a number of problems that may be classified as vulnerabilities such as:\n\n\n\n  *  \n        \n      URI constructions (for example, for redirects -- this is typical for login pages)\n\n  *  \n        \n      Virtual host selection\n\n  *  \n        \n      Reverse proxying\n\n  *  \n        \n      Misleading logs\n\n  *  \n        \n      Etc.\n\n\n\n\n\n\nGiven that the latest RFCs require that request authority and Host header must match, Jetty should enforce this invariant."
    }
  ],
  "lastModified": "2026-07-14T18:35:54.793",
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