Apache Airflow: Wildcard DagVersion Listing Bypasses Per‑DAG RBAC and Leaks Metadata
Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to "~" (wildcard for all DAGs). As a result, version metadata of DAGs that the requester is not authorized to access is returned. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-26929US | — | — | ||
Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to "~" (wildcard… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2026/03/17/4WEB
- https://github.com/apache/airflowPACKAGE
- https://github.com/apache/airflow/pull/61675WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-14.yamlWEB
- https://lists.apache.org/thread/g5o6khx83jwqvdyn0mlyb0krt35cs9ssWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-26929ADVISORY
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