{"id":13074,"date":"2026-09-04T18:59:51","date_gmt":"2026-09-04T10:59:51","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-33264"},"modified":"2026-09-04T18:59:51","modified_gmt":"2026-09-04T10:59:51","slug":"cve-2026-33264","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-33264","title":{"rendered":"CVE-2026-33264 [CRITICAL] &#8211; A bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attac"},"content":{"rendered":"<p>A bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler \/ API Server loaded a serialized DAG: a DAG author could embed a malicious trigger into a DAG to gain remote code execution on the API Server \/ Scheduler process, crossing the Airflow security boundary that DAG-author code must never execute in those processes. Users are advised to upgrade to `apache-airflow` 3.3.0 or later. As a defense-in-depth mitigation, deployments where DAG-author trust is limited can restrict the `[core] allowed_deserialization_classes` config to a narrow allowlist.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler \/ API Server loaded a serialized DAG: a DAG author could embed a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13074","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}