PYSEC-0000-CVE-2026-45360

Apache Airflow's scheduler-side deadline-reference decoder SerializedCustomReference.deserializereference imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — t...

CVE-2026-45360

Summary (CVE-2026-45360) : Apache Airflow’s scheduler-side deadline-reference deserialization in SerializedCustomReference.deserialize_reference can import arbitrary attacker-controlled module paths because there is no allowlist or plugin-registry gate. A DAG author’s code that reaches the schedu...