Apache Airflow: DAG authorization bypass on /ui/structure/structure_data_CVE-2026-40963

{
    "lastseen": "",
    "description": "The structure_data endpoint in the Airflow UI returned external dependency graph nodes for linked Dags without checking whether the caller had read permission on those linked Dags. An authenticated UI/API user authorized for one Dag could enumerate linked Dag IDs and dependency metadata for other Dags they were not authorized to read. Affects deployments that rely on per-Dag read scoping to keep Dag dependency topology private across teams. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.",
    "published": "2026-06-01T07:54:33.704Z",
    "modified": "2026-06-01T14:18:37.838Z",
    "type": "cve",
    "title": "Apache Airflow: DAG authorization bypass on /ui/structure/structure_data",
    "source": "apache",
    "references": "https://github.com/apache/airflow/pull/65342\nhttps://lists.apache.org/thread/s907bhsksc37m59f0loqjcp1ryobrr60",
    "id": "CVE-2026-40963",
    "bulletinFamily": "",
    "cwe": [
        "CWE-285"
    ],
    "cvelist": null,
    "sourceData": "Apache Software Foundation Apache Airflow 3.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 3.1,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
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        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Apache Airflow",
    "version": "3.0.0",
    "vendor": "Apache Software Foundation",
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    "ai_score": 0
}