BIT-AIRFLOW-2026-25917 Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow 3.1.5)

Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0,...

CVE-2026-25917

Apache Airflow CVE-2026-25917 involves API extra-links enabling crafted XCom payloads that can lead to webserver code execution via XCom deserialization/class instantiation. Affected component is the Airflow webserver’s handling of XCom; root cause described as deserialization/instantiation of pa...