BIT-AIRFLOW-2026-42252 Apache Airflow: BashOperator Jinja2 injection via dag_run.conf — low-privilege user pattern

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbashcommand="echo value: dagrun.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

PYSEC-2026-184

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbashcommand="echo value: dagrun.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

PYSEC-0000-CVE-2026-42252

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbashcommand="echo value: dagrun.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

CVE-2026-42252

The Apache Airflow official documentation provided a BashOperator example that lacked proper shell-quoting for the dag_run.conf field. Users who adopted this specific pattern could be vulnerable to shell-metacharacter injection . An authenticated user with Dag.can_trigger permissions could supply...

CVE-2026-42252 Apache Airflow: BashOperator Jinja2 injection via dag_run.conf — low-privilege user pattern

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbashcommand="echo value: dagrun.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

PT-2026-45368

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbash command="echo value: dag run.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

CVE-2026-42252: Improper Neutralization of Special Elements Used in a Template Engine

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbashcommand="echo value: dagrun.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

Apache Airflow < 3.2.0 Multiple Vulnerabilities

The version of Apache Airflow installed on the remote host is prior to 3.2.0. It is, therefore, affected by multiple vulnerabilities, including: - DAG authors who normally should not be able to execute code in the webserver context can craft an XCom payload causing the webserver to execute...

CVE-2026-30898

An example of BashOperator in Airflow documentation suggested a way of passing dagrun.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review if any of their own DAGs have adopted this incorrect advi...

CVE-2026-30898 Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf

An example of BashOperator in Airflow documentation suggested a way of passing dagrun.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review if any of their own DAGs have adopted this incorrect advi...

CVE-2026-30898

An example of BashOperator in Airflow documentation suggested a way of passing dagrun.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review if any of their own DAGs have adopted this incorrect advi...

CVE-2026-30898: Improper Neutralization of Special Elements used in a Command

An example of BashOperator in Airflow documentation suggested a way of passing dagrun.conf in the way that could cause unsanitized user input to be used to escalate privileges of UI user to allow execute code on worker. Users should review if any of their own DAGs have adopted this incorrect advi...