CVE-2026-30898

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

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-26)

CWE

CWE-77

Published

2026-04-18

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• apache:airflow

References

• https://github.com/apache/airflow/pull/64129
• https://lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8
• http://www.openwall.com/lists/oss-security/2026/04/17/7

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