CVE-2023-42663 Apache Airflow: Bypass permission verification to view task instances of other dags

What is CVE-2023-42663?

CVE-2023-42663 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 before 2.7.2, has a vulnerability that allows an authorized user who has access to read specific DAGs only, to read information about task instances in other DAGs. 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-2023-42663?

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-2023-42663?

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-2023-42663 being exploited?

There is no known exploitation of CVE-2023-42663 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-2023-42663, GHSA-32wr-qqw6-5mfp, PYSEC-2023-197.