https://seclists.org/oss-sec/2026/q2/741: CVE-2026-40963: Apache Airflow: DAG authorization bypass on /ui/structu/structu_data

Published May 31, 2026
·
Updated

Affected Software

1 affected component
pypi/apache-airflow>=3.0.0<3.2.2
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Frequently Asked Questions

1

What is the severity of CVE-2026-40963?

The severity of CVE-2026-40963 is classified as low.

2

How do I fix CVE-2026-40963?

To fix CVE-2026-40963, upgrade Apache Airflow to version 3.2.2 or later.

3

What versions of Apache Airflow are affected by CVE-2026-40963?

Apache Airflow versions 3.0.0 up to, but not including, 3.2.2 are affected by CVE-2026-40963.

4

What is the impact of CVE-2026-40963?

CVE-2026-40963 allows an authenticated user to bypass authorization and access external dependency graph nodes of linked DAGs.

5

Is user authentication enough to prevent CVE-2026-40963?

No, simply having user authentication is not sufficient to prevent CVE-2026-40963 due to the lack of permission checks for linked DAGs.

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https://seclists.org/oss-sec/2026/q2/741 - CVE-2026-40963: Apache Airflow: DAG authorization bypass on /ui/structu/structu_data - SecAlerts