CVE-2023-42780: Apache Airflow: Improper access control vulnerability in the "List dag warnings" feature

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-14 · updated 2026-06-17
Weakness: CWE-200

Description

Apache Airflow, versions prior to 2.7.2, contains a security vulnerability that allows authenticated users of Airflow to list warnings for all DAGs, even if the user had no permission to see those DAGs. It would reveal the dag_ids and the stack-traces of import errors for those DAGs with import errors. Users of Apache Airflow are advised to upgrade to version 2.7.2 or newer to mitigate the risk associated with this vulnerability.

Affected products

Apache Airflow: before 2.7.2 — fixed in 2.7.2

How to fix

Upgrade to a fixed version: Apache Airflow 2.7.2. Check the vendor advisory for mitigations.

References

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