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CVE-2026-28779

Estado: AnalizadaAlta (7.5)—

Apache Airflow versions 3.1.0 through 3.1.7 session token (_token) in cookies is set to path=/ regardless of the configured [webserver] base_url or [api] base_url. This allows any application co-hosted under the same domain to capture valid Airflow session tokens from HTTP request headers, allowing full session takeover without attacking Airflow itself.

Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.

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 de exposición de aplicación web (AV:N, PR:N, UI:N) que permite captura de tokens de sesión desde aplicaciones colocadas en el mismo dominio, logrando secuestro de sesión y acceso a credenciales de sesión sin autenticación.

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

Vulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkFilter Network TrafficApplication Isolation and Sandboxing

Tecnologías afectadas (1)

Apache — Airflow

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-28779",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-28779",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-17T13:44:27.820701Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Airflow",
          "versions": [
            {
              "status": "affected",
              "version": "3.0.0",
              "lessThan": "3.1.8",
              "versionType": "semver"
            }
          ],
          "packageName": "apache-airflow",
          "collectionURL": "https://pypi.python.org",
          "defaultStatus": "unaffected"
        }
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  ],
  "published": "2026-03-17T11:16:11.790",
  "references": [
    {
      "url": "https://github.com/apache/airflow/pull/62771",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "source": "security@apache.org"
    },
    {
      "url": "https://lists.apache.org/thread/r4n5znb8mcq14wo9v8ndml36nxlksdqb",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "source": "security@apache.org"
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      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-668"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Airflow versions 3.1.0 through 3.1.7 session token (_token) in cookies is set to path=/ regardless of the configured [webserver] base_url or [api] base_url.\nThis allows any application co-hosted under the same domain to capture valid Airflow session tokens from HTTP request headers, allowing full session takeover without attacking Airflow itself.\n\nUsers are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue."
    },
    {
      "lang": "es",
      "value": "El token de sesión (_token) en las cookies de las versiones de Apache Airflow 3.1.0 a 3.1.7 se establece en path=/ independientemente de la base_url configurada para [webserver] o [api].\nEsto permite a cualquier aplicación co-alojada bajo el mismo dominio capturar tokens de sesión de Airflow válidos de los encabezados de las solicitudes HTTP, lo que permite una toma de control completa de la sesión sin atacar a Airflow directamente.\n\nSe recomienda a los usuarios actualizar a Apache Airflow 3.1.8 o posterior, lo que resuelve este problema."
    }
  ],
  "lastModified": "2026-06-17T10:29:01.660",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A355B3D5-BAA7-4680-879B-55D6E3D52D68",
              "versionEndExcluding": "3.1.8",
              "versionStartIncluding": "3.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security@apache.org"
}