CVE-2026-30898
highpriority · track · 0EPSS 0.008 · 55 %ileDEEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1168Apache Airflow und Apache Airflow Keycloak Provider: Mehrere SchwachstellenDeutsch2026-04-19csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Apache Airflow und dem Airflow Keycloak Provider ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren und vertrauliche Informationen offenzulegen.
- BIT-airflow-2026-30898Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf2026-04-21vendor · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-30898cnnvd
- https://airflow.apache.org/Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-30898cnnvd
- https://github.com/apache/airflow/pull/64129enisa_euvd
- https://lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8enisa_euvd
- http://www.openwall.com/lists/oss-security/2026/04/17/7Mailing ListThird Party Advisorynvd
- https://github.com/apache/airflow/pull/64129Issue Trackingnvd
- https://lists.apache.org/thread/26zmhfj1t95c1hld2r14ho81nzh1bdc8Mailing ListVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan