{"id":"CVE-2026-59278","summary":"In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages","details":"JsonKafkaHeaderMapper and DefaultKafkaHeaderMapper include java.net in their default trusted packages list. When these mappers are used — which is the default configuration for all @KafkaListener consumers — an external Kafka producer can inject a java.net.InetAddress type via the spring_json_header_types message header.\nSpring for Apache Kafka 4.1.0\nSpring for Apache Kafka 4.0.0 - 4.0.6\nSpring for Apache Kafka 3.0.0 - 3.3.16\nSpring for Apache Kafka 2.9.0 - 2.9.14\nSpring for Apache Kafka 2.8.12 and earlier","modified":"2026-09-03T03:48:14.501670869Z","published":"2026-08-27T05:20:36.841Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"4.1.0"},{"last_affected":"4.1.0"},{"introduced":"4.0.0"},{"last_affected":"4.0.6"},{"introduced":"3.0.0"},{"last_affected":"3.3.16"},{"introduced":"2.9.0"},{"last_affected":"2.9.14"},{"last_affected":"2.8.12"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"vmware","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59278.json"},"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-59278"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59278.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59278"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/spring-projects/spring-kafka","events":[{"introduced":"a8dba16e18a7ed3c25cc7022ebf2fd1902e735e1"},{"fixed":"6c08403dace1252b5379c7965bed1649e4707e62"}],"database_specific":{"cpe":"cpe:2.3:a:vmware:spring_for_apache_kafka:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.1.0"},{"fixed":"4.1.0.1"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59278.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}