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CVE-2026-8209

Estado: AplazadaMedia (6.9)—

Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction of web application PHP files, failed .zip extraction results in deletion of the file and a DOS condition. Successful exploitation requires Teacher or higher privileges. Exploitation could result in loss of availability of the web application.

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)

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

Gibbon — GibbonAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-8209",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-8209",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-11T17:45:05.296290Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 6.9,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "privilegesRequired": "HIGH",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a",
      "affectedData": [
        {
          "vendor": "gibbonedu",
          "product": "gibbon",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "30.0.01",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-05-09T04:16:28.983",
  "references": [
    {
      "url": "https://github.com/GibbonEdu/core/releases/tag/v30.0.01",
      "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a"
    },
    {
      "url": "https://projectblack.io/blog/gibbon-v30-authenticated-sql-injection-and-rce/#denial-of-service-via-path-traversal",
      "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a",
      "description": [
        {
          "lang": "en",
          "value": "CWE-23"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction of web application PHP files, failed .zip extraction results in deletion of the file and a DOS condition. Successful exploitation requires Teacher or higher privileges. Exploitation could result in loss of availability of the web application."
    },
    {
      "lang": "es",
      "value": "Las versiones de Gibbon anteriores a la v30.0.01 están afectadas por una vulnerabilidad de salto de ruta que resulta en DoS al intentar la extracción de archivos PHP de la aplicación web; una extracción de .zip fallida resulta en la eliminación del archivo y una condición de DoS. La explotación exitosa requiere privilegios de Profesor o superiores. La explotación podría resultar en la pérdida de disponibilidad de la aplicación web."
    }
  ],
  "lastModified": "2026-07-24T08:10:00.150",
  "sourceIdentifier": "ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a"
}