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

Apache Airflow's Backfill API is vulnerable to an authorization bypass due to an interpretation conflict in how the backfill_id path segment is parsed. The authorization dependency uses int(), while the route handler uses pydantic's NonNegativeInt; this allows values like 1.0 (which coerces to 1 ...

CVE-2026-68968 Apache Airflow: Authorization bypass in the Backfill API through conflicting interpretations of the backfill id

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...

PT-2026-71130

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.3.1 Description An authorization flaw exists in the Backfill API where a discrepancy in how the backfill id path segment is parsed allows an authenticated user with edit permissions on any single Dag to perfo...