CVE-2023-40611: Apache Airflow Dag Runs Broken Access Control Vulnerability

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-12 · updated 2026-06-17
Weakness: CWE-863

Description

Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated and DAG-view authorized Users to modify some DAG run detail values when submitting notes. This could have them alter details such as configuration parameters, start date, etc. Users should upgrade to version 2.7.1 or later which has removed the vulnerability.

Affected products

Apache Airflow: before 2.7.3 — fixed in 2.7.3

How to fix

Upgrade to a fixed version: Apache Airflow 2.7.3. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2023/11/12/1
https://github.com/apache/airflow/pull/33413
https://lists.apache.org/thread/8y9xk1s3j4qr36yzqn8ogbn9fl7pxrn0
http://www.openwall.com/lists/oss-security/2023/11/12/1
https://github.com/apache/airflow/pull/33413
https://lists.apache.org/thread/8y9xk1s3j4qr36yzqn8ogbn9fl7pxrn0

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