Vulnerability details

CVE-2026-30898

Apache Software Foundation Apache Airflow

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

CVSS 3.1
8.8High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.8High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Apache Software Foundation Apache Airflow v < 3.0.0 CVEProject cvelistV5 (CNA)
Apache Software Foundation Apache Airflow 3.0.0 ≤ v < 3.2.0 CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-04-18
Last updated
2026-11-03
State
Published
Assigner (CNA)
apache

Exploit prediction (EPSS)

0.77%
Probability of exploitation in 30 days
55.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-77
    Improper Neutralization of Special Elements used in a Command ('Command Injection')