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)

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Summary

CVECVE-2026-59245
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-13 16:16:41 UTC
Updated2026-07-13 20:16:49 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-269 | CWE-269 CWE-269: Improper Privilege Management

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Airflow FAB Provider affected 3.7.2 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/70f37q3mwov1vm3zolrfxlzds278c78h [email protected] lists.apache.org
www.openwall.com/lists/oss-security/2026/07/13/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
github.com/apache/airflow/pull/69106 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Tran Hieu (h1tr3xnull) (en)

CNA: Jarek Potiuk (en)

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