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CVE-2026-44902

Estado: AnalizadaAlta (7.5)—

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint (default 0.0.0.0:9464) has no error handling around URL parsing, so a request with an invalid URI causes an uncaught TypeError that terminates the process. This vulnerability is fixed in 0.217.0.

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 en servicio remoto expuesto (métrica 0.0.0.0:9464) sin autenticación. Una petición HTTP malformada causa crash del proceso Node.js, constituyendo DoS de aplicación.

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 (3)

Opentelemetry — Opentelemetry/auto-instrumentations-nodeOpentelemetry — Opentelemetry/exporter-prometheusOpentelemetry — Opentelemetry/sdk-node

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-44902",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-44902",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-28T15:26:02.547148Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/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-advisories@github.com",
      "affectedData": [
        {
          "vendor": "open-telemetry",
          "product": "opentelemetry-js",
          "versions": [
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              "version": "< 0.217.0"
            }
          ]
        },
        {
          "vendor": "@opentelemetry",
          "product": "exporter-prometheus",
          "versions": [
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              "status": "affected",
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            }
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        },
        {
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          "vendor": "@opentelemetry",
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          "versions": [
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              "status": "affected",
              "version": "< 0.75.0"
            }
          ]
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    }
  ],
  "published": "2026-05-27T15:16:29.313",
  "references": [
    {
      "url": "https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-q7rr-3cgh-j5r3",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-q7rr-3cgh-j5r3",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint (default 0.0.0.0:9464) has no error handling around URL parsing, so a request with an invalid URI causes an uncaught TypeError that terminates the process. This vulnerability is fixed in 0.217.0."
    }
  ],
  "lastModified": "2026-08-27T16:16:49.810",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "1B4BB76E-A709-46B7-A59F-C08DF82C6FB2",
              "versionEndExcluding": "0.75.0"
            },
            {
              "criteria": "cpe:2.3:a:opentelemetry:opentelemetry\\/exporter-prometheus:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BA127270-141A-48A6-A514-A172019CAD3D",
              "versionEndExcluding": "0.217.0"
            },
            {
              "criteria": "cpe:2.3:a:opentelemetry:opentelemetry\\/sdk-node:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "82732B3A-AF85-4784-AC64-4A9D8C586B20",
              "versionEndExcluding": "0.217.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}