Vulnerability in Apache Software Foundation Airflow
CVE-2026-34538
Apache Airflow versions 3.0.0 through 3.1.8 DagRun wait endpoint returns XCom result values even to users who only have DAG Run read permissions, such as the Viewer role.This behavior conflicts with the FAB RBAC model, which treats XCom as…
EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.
Affected products
- Apache Software Foundation Airflow — versions 3.0.0
Weakness classification (CWE)
References
- github.com/apache/airflow/pull/64415 (patch)
- lists.apache.org/thread/9mq3msqhmgjwdzbr6bgthj4brb3oz9fl (vendor-advisory)