RCE in Apache Airflow
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 revie…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.008 (51.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Airflow
- Apache Software Foundation Airflow — versions 0
Weakness classification (CWE)
References
- security@apache.org (patch, Issue Tracking)
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-30898?
- CVE-2026-30898 is a high-severity vulnerability in Apache Airflow, classified under Command Injection. CVSS score: 8.8/10. Published 2026-04-18.
- How severe is CVE-2026-30898?
- High severity. CVSS v3 base score is 8.8 out of 10.