{"id":16436,"date":"2026-09-04T19:05:21","date_gmt":"2026-09-04T11:05:21","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-41731"},"modified":"2026-09-04T19:05:21","modified_gmt":"2026-09-04T11:05:21","slug":"cve-2026-41731","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-41731","title":{"rendered":"CVE-2026-41731 [HIGH] &#8211; JsonKafkaHeaderMapper and the deprecated DefaultKafkaHeaderMapper matched type headers aga"},"content":{"rendered":"<p>JsonKafkaHeaderMapper and the deprecated DefaultKafkaHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Combined with Jackson&#8217;s default bean deserialization, a producer could supply crafted header values that caused the consumer to deserialize arbitrary JDK types.<\/p>\n<p>Affected versions:<br \/>\nSpring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JsonKafkaHeaderMapper and the deprecated DefaultKafkaHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its su<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-16436","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/16436","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=16436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}