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CVE-2026-33002

Estado: AnalizadaAlta (7.5)—

Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation.

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.

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Application Isolation and SandboxingExploit ProtectionUpdate Software

Tecnologías afectadas (1)

Jenkins — Jenkins

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-33002",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-19T14:43:30.815362Z"
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      "affectedData": [
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      "url": "https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674",
      "tags": [
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      "source": "jenkinsci-cert@googlegroups.com"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "lang": "en",
          "value": "CWE-350"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation."
    },
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      "lang": "es",
      "value": "Jenkins 2.442 hasta 2.554 (ambos inclusive), LTS 2.426.3 hasta LTS 2.541.2 (ambos inclusive) realiza la validación de origen de las solicitudes realizadas a través del endpoint WebSocket de la CLI calculando el origen esperado para la comparación utilizando los encabezados de solicitud HTTP Host o X-Forwarded-Host, lo que lo hace vulnerable a ataques de reencuadernación de DNS que permiten eludir la validación de origen."
    }
  ],
  "lastModified": "2026-06-17T10:36:44.657",
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            },
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  "sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}