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CVE-2026-0599

Estado: AplazadaAlta (7.5)—

A vulnerability in huggingface/text-generation-inference version 3.3.6 allows unauthenticated remote attackers to exploit unbounded external image fetching during input validation in VLM mode. The issue arises when the router scans inputs for Markdown image links and performs a blocking HTTP GET request, reading the entire response body into memory and cloning it before decoding. This behavior can lead to resource exhaustion, including network bandwidth saturation, memory inflation, and CPU overutilization.

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The vulnerability is triggered even if the request is later rejected for exceeding token limits. The default deployment configuration, which lacks memory usage limits and authentication, exacerbates the impact, potentially crashing the host machine. The issue is resolved in version 3.3.7.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad remota sin autenticación en servicio expuesto (AV:N/PR:N/UI:N). CWE-400 y descripción indican DoS por agotamiento de recursos: saturación de ancho de banda, inflación de memoria y sobrecarga de CPU mediante fetches HTTP no acotadas.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkApplication Isolation and Sandboxing

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Huggingface — Text-generation-inferenceAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-0599",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-0599",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-02T12:48:08.191120Z"
        }
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "security@huntr.dev",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@huntr.dev",
      "affectedData": [
        {
          "vendor": "huggingface",
          "product": "huggingface/text-generation-inference",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "3.3.7",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-02-02T11:16:17.773",
  "references": [
    {
      "url": "https://github.com/huggingface/text-generation-inference/commit/24ee40d143d8d046039f12f76940a85886cbe152",
      "source": "security@huntr.dev"
    },
    {
      "url": "https://huntr.com/bounties/1d3f2085-666c-4441-b265-22f6f7d8d9cd",
      "source": "security@huntr.dev"
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  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@huntr.dev",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
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    }
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  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in huggingface/text-generation-inference version 3.3.6 allows unauthenticated remote attackers to exploit unbounded external image fetching during input validation in VLM mode. The issue arises when the router scans inputs for Markdown image links and performs a blocking HTTP GET request, reading the entire response body into memory and cloning it before decoding. This behavior can lead to resource exhaustion, including network bandwidth saturation, memory inflation, and CPU overutilization. The vulnerability is triggered even if the request is later rejected for exceeding token limits. The default deployment configuration, which lacks memory usage limits and authentication, exacerbates the impact, potentially crashing the host machine. The issue is resolved in version 3.3.7."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en huggingface/text-generation-inference versión 3.3.6 permite a atacantes remotos no autenticados explotar la obtención ilimitada de imágenes externas durante la validación de entrada en modo VLM. El problema surge cuando el router escanea las entradas en busca de enlaces de imagen Markdown y realiza una solicitud HTTP GET bloqueante, leyendo todo el cuerpo de la respuesta en la memoria y clonándolo antes de decodificar. Este comportamiento puede llevar al agotamiento de recursos, incluyendo la saturación del ancho de banda de la red, la inflación de memoria y la sobreutilización de la CPU. La vulnerabilidad se activa incluso si la solicitud es posteriormente rechazada por exceder los límites de tokens. La configuración de despliegue predeterminada, que carece de límites de uso de memoria y autenticación, exacerba el impacto, pudiendo provocar el bloqueo de la máquina anfitriona. El problema está resuelto en la versión 3.3.7."
    }
  ],
  "lastModified": "2026-06-17T10:11:01.900",
  "sourceIdentifier": "security@huntr.dev"
}