CVE-2023-33234 Apache Airflow CNCF Kubernetes Provider: KubernetesPodOperator RCE via connection configuration
Privileged users can execute arbitrary code by modifying the xcom sidecar image configuration in the Airflow Kubernetes provider.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-33234?
CVE-2023-33234 is a high-severity code injection vulnerability in Apache Airflow CNCF Kubernetes Provider, published on 30 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Arbitrary code execution in Apache Airflow CNCF Kubernetes provider version 5.0.0 allows user to change xcom sidecar image and resources via Airflow connection.
In order to exploit this weakness, a user would already need elevated permissions (Op or Admin) to change the connection object in this manner. Operators should upgrade to provider version 7.0.0 which has removed the vulnerability.
Weakness: CWE-74
Which versions are affected by CVE-2023-33234?
3 open source packages ship an affected version, including apache-airflow-providers-cncf-kubernetes. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
apache-airflow-providers-cncf-kubernetes PyPI | From 5.0.0 | 7.0.0 |
apache-airflow-providers-cncf-kubernetes PyPI | From 5.0.0 | 7.0.0 |
apache-airflow-providers-cncf-kubernetes PyPI | From 5.0.0 | 7.0.0 |
Products include Apache Apache-Airflow-Providers-Cncf-Kubernetes.
How do I fix CVE-2023-33234?
Upgrade apache-airflow-providers-cncf-kubernetes to 7.0.0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-33234 being exploited?
There is no known exploitation of CVE-2023-33234 in the wild and no public exploit code.
Other vulnerabilities in Apache Airflow CNCF Kubernetes Provider
Sources
Also known as GHSA-2rx4-9f5h-9gjf, PYSEC-2026-1143.