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CVE-2026-45360 Apache Airflow's scheduler-side deadline-reference decoder (`SerializedCustomReference.deserialize_reference`)…

Description

Apache Airflow's scheduler-side deadline-reference decoder (`SerializedCustomReference.deserialize_reference`) 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 — the default on single-host deployments where the DAG bundle is importable from the scheduler process — could embed a custom `DeadlineReference` whose serialized form named an attacker-controlled module path, causing the scheduler to `import_string(...)` and instantiate that class with a live SQLAlchemy session attached. Affects deployments where DAG-author code is less trusted than the scheduler process. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.

Produits et versions touchés

Produit Versions touchées Corrigé en
Apache Airflow 3.0 3.0.0 → < 3.2.2 3.2.2

Références

Chronologie

  1. Publiée
  2. Dernière modification

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