CVE-2022-40127 Apache Airflow <2.4.0 has an RCE in a bash example

What is CVE-2022-40127?

CVE-2022-40127 is a high-severity command injection vulnerability in Apache Airflow, published on 14 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in Example Dags of Apache Airflow allows an attacker with UI access who can trigger DAGs, to execute arbitrary commands via manually provided run_id parameter. This issue affects Apache Airflow Apache Airflow versions prior to 2.4.0.

Weakness: CWE-94

Which versions are affected by CVE-2022-40127?

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-2022-40127?

Upgrade apache-airflow to 2.4.0 or later.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-40127 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40127 exists.

Public exploit code: 1 Nuclei template and 2 proofs of concept on GitHub.

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-2022-40127, GHSA-6pw3-8h9w-32gc, PYSEC-2022-42982.