CVE-2023-39508 Apache Airflow: Airflow "Run task" feature allows execution with unnecessary priviledges
Authenticated users can bypass DAG access restrictions and execute code in the webserver context via the Run Task feature.
- 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-2023-39508?
CVE-2023-39508 is a high-severity vulnerability in Apache Airflow, published on 5 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Execution with Unnecessary Privileges, : Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Airflow.The "Run Task" feature enables authenticated user to bypass some of the restrictions put in place. It allows to execute code in the webserver context as well as allows to bypas limitation of access the user has to certain DAGs. The "Run Task" feature is considered dangerous and it has been removed entirely in Airflow 2.6.0
This issue affects Apache Airflow: before 2.6.0.
Which versions are affected by CVE-2023-39508?
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 | 2.6.0 |
apache-airflow PyPI | All versions | 2.6.0b1 |
apache-airflow PyPI | All versions | 2.6.0b1 |
airflow Bitnami | All versions | 2.6.0 |
Products include Apache Airflow.
How do I fix CVE-2023-39508?
Upgrade apache-airflow to a fixed version for your release line: 2.6.0 or 2.6.0b1.
Is CVE-2023-39508 being exploited?
There is no known exploitation of CVE-2023-39508 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-2023-39508, GHSA-269x-pg5c-5xgm, PYSEC-2023-134.