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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Airflow | < 3.2.0 |
Related Weaknesses (CWE)
References
- https://github.com/apache/airflow/pull/64129Issue Tracking
- https://lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8Vendor AdvisoryMailing List
- http://www.openwall.com/lists/oss-security/2026/04/17/7Mailing ListThird Party Advisory
FAQ
What is CVE-2026-30898?
CVE-2026-30898 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 exe...
How severe is CVE-2026-30898?
CVE-2026-30898 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-30898?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Airflow.