CVE-2026-40948

{
  "id": "CVE-2026-40948",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-18T14:16:10.897",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Keycloak authentication manager in `apache-airflow-providers-keycloak` did not generate or validate the OAuth 2.0 `state` parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's browser and cause the victim to be logged into the attacker's Airflow session (login-CSRF / session fixation), where any credentials the victim subsequently stored in Airflow Connections would be harvestable by the attacker. Users are advised to upgrade `apache-airflow-providers-keycloak` to 0.7.0 or later."
    },
    {
      "lang": "es",
      "value": "El gestor de autenticación de Keycloak en “apache-airflow-providers-keycloak” no generaba ni validaba el parámetro “state” de OAuth 2.0 en el flujo de inicio de sesión / devolución de llamada de inicio de sesión, y no utilizaba PKCE. Un atacante con una cuenta de Keycloak en el mismo reino podría entregar una URL de devolución de llamada manipulada al navegador de una víctima y hacer que la víctima iniciara sesión en la sesión de Airflow del atacante (CSRF de inicio de sesión / fijación de sesión), donde cualquier credencial que la víctima almacenara posteriormente en las Conexiones de Airflow podría ser recolectada por el atacante. Se aconseja a los usuarios actualizar “apache-airflow-providers-keycloak” a la versión 0.7.0 o posterior."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Airflow Providers Keycloak",
          "defaultStatus": "unaffected",
          "collectionURL": "https://pypi.python.org",
          "packageName": "apache-airflow-providers-keycloak",
          "versions": [
            {
              "version": "0.0.1",
              "lessThan": "0.7.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-20T16:17:06.510314Z",
          "id": "CVE-2026-40948",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:apache-airflow-providers-keycloak:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "0.0.1",
              "versionEndExcluding": "0.7.0",
              "matchCriteriaId": "AA33FD2D-B2AE-43EE-B962-46CAFD5C0B1F"
            }
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  ],
  "references": [
    {
      "url": "https://github.com/apache/airflow/pull/64114",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
      ]
    },
    {
      "url": "https://lists.apache.org/thread/kc0odpr70hbqhdb9ksnz42fkqz2xld9q",
      "source": "[email protected]",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/04/17/14",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    }
  ]
}