CVE-2026-30898

HIGH

Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf

Title source: cna
STIX 2.1

Description

An example of BashOperator in Airflow documentation suggested a way of passing dag_run.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 advice.

References (3)

Scores

CVSS v3 8.8
EPSS 0.0008
EPSS Percentile 22.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-77
Status published
Products (2)
apache/airflow < 3.2.0
Apache Software Foundation/Apache Airflow < 3.2.0
Published Apr 18, 2026
Tracked Since Apr 18, 2026