{
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagSources/{dag_id}",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "cweId": "CWE-639",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Airflow",
          "collectionURL": "https://pypi.python.org",
          "packageName": "apache-airflow",
          "versions": [
            {
              "status": "affected",
              "version": "3.0.0",
              "lessThan": "3.3.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` \u2014 and the equivalent Dag-source view in the UI \u2014 returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later.",
          "lang": "en",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Before apache-airflow 3.3.0, a user authorized to read one Dag could disclose the source of other Dags co-located in the same source file. `GET /api/v2/dagSources/{dag_id}` \u2014 and the equivalent Dag-source view in the UI \u2014 returned the entire source file without redacting Dags the caller was not authorized to read, bypassing per-DAG read authorization. Deployments that co-locate multiple Dags in a single file and rely on per-DAG access control to limit source visibility are affected; single-Dag-per-file deployments are not. Upgrade to apache-airflow 3.3.0 or later."
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/apache/airflow/pull/67662",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://lists.apache.org/thread/qqv41t3oydkn9o14r2rfz1wkdrsp5jzn",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "low"
            }
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Matteo Panzeri (Universit\u00e0 di Pavia), GitHub @matte1782",
          "type": "finder"
        },
        {
          "lang": "en",
          "value": "Jarek Potiuk",
          "type": "remediation developer"
        }
      ],
      "x_generator": {
        "engine": "airflow-s/generate_cve_json.py"
      }
    }
  },
  "cveMetadata": {
    "cveId": "CVE-2026-49296",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}