CVE-2026-48891 Apache Airflow: /ui/dependencies scheduling graph leaks unreadable Dag identifiers via trigger/sensor dep.source/dep.target

A bug in Apache Airflow's /ui/dependencies scheduling graph endpoint applied the caller's readable-Dag filter to the top-level serialized Dag key but still emitted referenced Dag IDs through the dep.source and dep.target fields of trigger / sensor dependency entries. An authenticated UI user with...

PT-2026-56177

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.3.0 Description A bug in the /ui/dependencies scheduling graph endpoint allows an authenticated UI user with read permissions on some Dags to enumerate identifiers of other Dags they are not authorized to rea...