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CVE-2026-40471

Estado: Pendiente de análisisCrítica (9.6)—

hackage-server lacked Cross-Site Request Forgery (CSRF) protection across its endpoints. Scripts on foreign sites could trigger requests to hackage server, possibly abusing latent credentials to upload packages or perform other administrative actions. Some unauthenticated actions could also be abused (e.g. creating new user accounts).

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.

CSRF en hackage-server (CWE-352) explotable vía XSS/drive-by desde sitios externos con UI:R; permite suplantación de credenciales para crear cuentas y subir paquetes maliciosos.

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

User TrainingUser Account ManagementRestrict Web-Based ContentMulti-factor AuthenticationPassword PoliciesNetwork Segmentation

Tecnologías afectadas (1)

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

Hackage — Hackage-serverAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-40471",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-40471",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-23T16:18:53.266261Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.6,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be",
      "affectedData": [
        {
          "versions": [
            {
              "status": "affected",
              "version": "0.1",
              "lessThan": "*",
              "versionType": "semver"
            }
          ],
          "packageName": "hackage-server",
          "collectionURL": "https://hackage.haskell.org/package/hackage-server",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-04-23T16:16:25.640",
  "references": [
    {
      "url": "https://osv.dev/vulnerability/HSEC-2026-0002",
      "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "74b3a70d-cca6-4d34-9789-e83b222ae3be",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "hackage-server lacked Cross-Site Request Forgery (CSRF) protection across its endpoints. Scripts on foreign sites could trigger requests to hackage server, possibly abusing latent credentials to upload packages or perform other administrative actions. Some unauthenticated actions could also be abused (e.g. creating new user accounts)."
    }
  ],
  "lastModified": "2026-06-17T10:45:20.390",
  "sourceIdentifier": "74b3a70d-cca6-4d34-9789-e83b222ae3be"
}