CVE-2026-30898

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.

PUBLISHED Reserved 2026-03-06 | Published 2026-04-18 | Updated 2026-04-22 | Assigner apache

Problem types

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

Product status

Credits

Peyton Kennedy (p80n-sec) from Endor Labs finder

Kevin Yang remediation developer

References

www.openwall.com/lists/oss-security/2026/04/17/7

github.com/apache/airflow/pull/64129 patch

lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8 vendor-advisory

cve.org (CVE-2026-30898)

nvd.nist.gov (CVE-2026-30898)

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