CVE-2026-40963 — Apache Airflow: DAG authorization bypass on /ui/structure/structure_data

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Airflow	affected 3.0.0 before 3.2.2

CWE

CWE-285

References

https://github.com/apache/airflow/pull/65342
https://lists.apache.org/thread/s907bhsksc37m59f0loqjcp1ryobrr60

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/05/31/3

CISA-ADP

No English description supplied.

No references supplied.