CVE-2023-50783 Apache Airflow: Improper access control vulnerability on the "varimport" endpoint

What is CVE-2023-50783?

CVE-2023-50783 is a medium-severity missing authorization vulnerability in Apache Airflow, published on 21 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Apache Airflow, versions before 2.8.0, is affected by a vulnerability that allows an authenticated user without the variable edit permission, to update a variable. This flaw compromises the integrity of variable management, potentially leading to unauthorized data modification. Users are recommended to upgrade to 2.8.0, which fixes this issue

Weakness: CWE-284

Which versions are affected by CVE-2023-50783?

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-2023-50783?

Upgrade apache-airflow to 2.8.0 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-50783 being exploited?

There is no known exploitation of CVE-2023-50783 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-2023-50783, ECHO-86bb-8f12-e207, GHSA-5938-79hg-xh3q, PYSEC-2023-267.