{"id":48049,"date":"2026-04-20T11:39:39","date_gmt":"2026-04-20T11:39:39","guid":{"rendered":"http:\/\/localhost\/?p=48049"},"modified":"2026-04-20T11:39:39","modified_gmt":"2026-04-20T11:39:39","slug":"apache-airflow-api-extra-links-triggers-xcom-deserializationclass-instantiation-airflow-315","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=48049","title":{"rendered":"Apache Airflow: API extra-links triggers XCom deserialization\/class instantiation (Airflow 3.1.5)_CVE-2026-25917"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;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. 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