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

Quick assessment

Affected
Apache Software Foundation Apache Airflow
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Airflow是美国阿帕奇（Apache）基金会的一套具有创建、管理和监控工作流程功能的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow存在安全漏洞，该漏洞源于文档示例中传递dag_run.conf的方式可能导致使用未清理的用户输入来提升UI用户权限，从而允许在工作节点上执行代码。

AI Predicted 8.1 Difficulty: Easy EPSS 0.77% · P53
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I. Basic Information for CVE-2026-30898

Vulnerability Information
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Vulnerability Title
Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Airflow是美国阿帕奇（Apache）基金会的一套具有创建、管理和监控工作流程功能的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow存在安全漏洞，该漏洞源于文档示例中传递dag_run.conf的方式可能导致使用未清理的用户输入来提升UI用户权限，从而允许在工作节点上执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Airflow 0 ~ 3.2.0 -

II. Public POCs for CVE-2026-30898

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III. Intelligence Information for CVE-2026-30898

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Same Patch Batch · Apache Software Foundation · 2026-04-18 · 6 CVEs total

CVE-2026-40948 Apache Airflow Providers Keycloak: OAuth Login CSRF — Missing State Parameter in Keycloak
CVE-2026-32690 Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1
CVE-2026-30912 Apache Airflow: Exposing stack trace in case of constraint error
CVE-2026-25917 Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow
CVE-2026-32228 Apache Airflow: Users with asset materialization permisssions could trigger Dags they had

IV. Related Vulnerabilities

Same product: Apache Airflow
Same vendor: Apache Software Foundation
Same weakness: CWE-77

V. Comments for CVE-2026-30898

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