CVE-2026-68968

Apache Airflow's Backfill API authorized a request against a Dag id supplied by the caller whenever the backfillid path segment failed to parse. The authorization dependency parsed it with int while the route handler parsed it as pydantic's NonNegativeInt, which accepts values int rejects 1.0...

CVE-2026-68968

Summary of impact (CVE-2026-68968): Apache Airflow’s Backfill API could allow an authenticated user with edit permissions on a single Dag to read, pause, and cancel backfills for other Dags due to conflicting interpretations of the backfill_id between the dependency (int()) and the route validati...