{"id":"BIT-airflow-2026-40963","summary":"Apache Airflow: DAG authorization bypass on /ui/structure/structure_data","details":"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.","aliases":["CVE-2026-40963","GHSA-gprj-xvq8-w53q","PYSEC-2026-2349"],"modified":"2026-09-08T08:45:29.117087584Z","published":"2026-06-05T05:40:31.404Z","database_specific":{"cpes":["cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*"],"severity":"Low"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/05/31/3"},{"type":"FIX","url":"https://github.com/apache/airflow/pull/65342"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/s907bhsksc37m59f0loqjcp1ryobrr60"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40963"}],"affected":[{"package":{"name":"airflow","ecosystem":"Bitnami","purl":"pkg:bitnami/airflow"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.2.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/airflow/BIT-airflow-2026-40963.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}],"schema_version":"1.9.0"}