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Vulnerability record · CVE-2026-30898 · published 18 April 2026

CVE-2026-30898: Apache airflow command injection vulnerability

Apache · Airflow

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.

8.8 CVSS 3.1 High EPSS 1.0% · top 37.2% CWE-77 · Command injection
8.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/apache/airflow/pull/64129 Issue Tracking
https://lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8 Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/17/7 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-30898), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.