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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 85.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-14 · updated 2026-06-17
Weakness: CWE-94

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.

Affected products

Apache Airflow: before 2.4.0 — fixed in 2.4.0

How to fix

Upgrade to a fixed version: Apache Airflow 2.4.0. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2022/11/14/2
https://github.com/apache/airflow/pull/25960
https://lists.apache.org/thread/cf132hgm6jvzvsbpsozl3plf1r4cwysy
http://www.openwall.com/lists/oss-security/2022/11/14/2
https://github.com/apache/airflow/pull/25960
https://lists.apache.org/thread/cf132hgm6jvzvsbpsozl3plf1r4cwysy

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