CVE-2026-40961

A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the issafeurl check, enabling redirection from a trusted Airflow domain to an attacker-controlled origin. Users are advised to upgrade to apache-airflow 3.2.2 or later. As a defense-in-dept...

CVE-2026-41084 Apache Airflow: API authorization bypass: bulk TaskInstances allows cross-DAG mutation

A bug in Apache Airflow's bulk Task Instances API PATCH/DELETE /api/v2/dags/dagid/dagRuns/dagrunid/taskInstances evaluated authorization against the dagid resolved from the URL path while operating on the dagid / dagrunid extracted from request-body entity fields. An authenticated UI/API user wit...

PT-2026-45371

A bug in Apache Airflow's XCom PATCH endpoint PATCH /api/v2/xcomEntries/key allowed an authenticated UI/API user with XCom write permission on a Dag to set XCom entries under reserved key names e.g. return value that the matching POST endpoint already validated against FORBIDDEN XCOM KEYS. The...

PT-2026-45367

A bug in Apache Airflow's bulk Task Instances API PATCH/DELETE /api/v2/dags/dag id/dagRuns/dag run id/taskInstances evaluated authorization against the dag id resolved from the URL path while operating on the dag id / dag run id extracted from request-body entity fields. An authenticated UI/API...