CVE-2026-30898CWE-77

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

High · published April 18, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
63.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01048 · 63.9th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-04-18T06:20Z
EPSS history
Timeline
  • 18 APR 06:20Z
    Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf
    cvelistv5