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CVE-2026-40963 The structure_data endpoint in the Airflow UI returned external dependency graph nodes for linked Dags without…

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.

Affected products and versions

Product Affected versions Fixed in
Apache Airflow 3.0 3.0.0 → < 3.2.2 3.2.2

References

Timeline

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