CVE-2023-40712 Apache Airflow: Secrets can be unmasked in the "Rendered Template"

What is CVE-2023-40712?

CVE-2023-40712 is a medium-severity vulnerability in Apache Airflow, published on 12 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.

Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.

Weakness: CWE-200

Which versions are affected by CVE-2023-40712?

4 open source packages ship an affected version, including apache-airflow and airflow. It affects 1 product.

Products include Apache Airflow.

How do I fix CVE-2023-40712?

Upgrade apache-airflow to 2.7.1 or later.

Is CVE-2023-40712 being exploited?

There is no known exploitation of CVE-2023-40712 in the wild and no public exploit code.

Other vulnerabilities in Apache Airflow

• CVE-2020-13927 Apache Airflow's Experimental API Authentication Bypass Exploited Critical 9.8
• CVE-2020-11978 Apache Airflow Command Injection Exploited High 8.8
• CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerialization.deserialize() Critical 9.8
• CVE-2023-25754 Apache Airflow: Privilege escalation using airflow logs Critical 9.8
• CVE-2023-22884 Apache Airflow, Apache Airflow MySQL Provider: Arbitrary file read via MySQL provider in Apache Airflow Critical 9.8

All Apache Airflow vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-airflow-2023-40712, GHSA-mjqh-v5f2-g2mw, PYSEC-2023-171.