CVE-2023-42780 Apache Airflow: Improper access control vulnerability in the "List dag warnings" feature
Authenticated users can view DAG warnings and stack traces for DAGs they lack permission to access, exposing sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-42780?
CVE-2023-42780 is a medium-severity missing authorization vulnerability in Apache Airflow, published on 14 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-200
Which versions are affected by CVE-2023-42780?
4 open source packages ship an affected version, including apache-airflow and airflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
apache-airflow PyPI | All versions | 2.7.2 |
apache-airflow PyPI | All versions | 2.7.2 |
apache-airflow PyPI | All versions | 2.7.2 |
airflow Bitnami | All versions | 2.7.2 |
Products include Apache Airflow.
How do I fix CVE-2023-42780?
Upgrade apache-airflow to 2.7.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-42780 being exploited?
There is no known exploitation of CVE-2023-42780 in the wild and no public exploit code.
Other vulnerabilities in Apache Airflow
- CVE-2020-13927 Apache Airflow's Experimental API Authentication Bypass
- CVE-2020-11978 Apache Airflow Command Injection
- CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerialization.deserialize()
- CVE-2023-25754 Apache Airflow: Privilege escalation using airflow logs
- CVE-2023-22884 Apache Airflow, Apache Airflow MySQL Provider: Arbitrary file read via MySQL provider in Apache Airflow
Sources
Also known as BIT-airflow-2023-42780, GHSA-cgx2-rrmr-jx43, PYSEC-2023-202.