Medium [CVE-2026-26929] Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering
This medium-severity Apache Software Foundation advisory covers CVE-2026-26929 affecting Apache Airflow, Airflow.
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Summary
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.
- through 3.1.7
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation
Upgrade to a fixed release: 3.1.8. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
More Apache Software Foundation advisories
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- CVE-2026-25917Apr 18, 2026Apache Airflow: Dag Authors, who normally should not be able to execute code
- CVE-2026-33858Apr 13, 2026Apache Airflow: Dag Authors, who normally should not be able to execute code
- CVE-2026-81930Sep 29, 2026Apache Airflow's Snowflake provider did not validate the connection's `account`
- CVE-2026-81862Sep 29, 2026Apache Airflow's Teradata provider embedded cloud storage credentials directly into SQL
- CVE-2026-81914Sep 29, 2026Apache Airflow's Google provider built Google Drive search expressions by interpolating
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