High [CVE-2026-59245] Apache Airflow FAB provider: FAB auth manager: a DAG named "DAGs" hijacks the global all-DAGs permission (access_control privilege escalation via resource_name collision)
This high-severity Apache Software Foundation advisory covers CVE-2026-59245 affecting Apache Airflow FAB.
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Summary
In the Apache Airflow FAB auth manager, a DAG whose `dag_id` is `DAGs` collided with the global all-DAGs permission resource name produced by `resource_name()`, so a user granted per-DAG `access_control` on that one DAG was silently granted the global all-DAGs permission (privilege escalation).
The escalation triggers when a DAG named `DAGs` exists and a lower-privileged user is given per-DAG access to it, granting that user read/edit access to every DAG. Users are advised to upgrade to `apache-airflow-providers-fab` 3.7.2 or later, which disambiguates the resource-name collision.
Affected product named by the advisory: Apache Airflow FAB provider.
- Apache Airflow FAB provider before 3.7.2
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation checklist
- Users are advised to upgrade to `apache-airflow-providers-fab` 3.7.2 or later, which disambiguates the resource-name collision.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
More Apache Software Foundation advisories
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- CVE-2026-82310Sep 16, 2026Apache Airflow FAB provider: deactivating a user account does not stop tokens issued
- CVE-2026-86462Sep 16, 2026Apache Airflow FAB provider: changing a user's password through the Admin user-edit PATCH
- CVE-2026-82311Sep 16, 2026Apache Airflow FAB provider: resetting a user's password does not delete that user's
- CVE-2026-75156Sep 8, 2026Apache Airflow FAB provider: FAB Azure AD OAuth: id_token issuer/audience not validated
- CVE-2026-111422Oct 26, 2026Apache Airflow SSH provider command injection
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