{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-41731/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-10T17:18:19.967Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-41731","@id":"https://www.cve.org/CVERecord?id=CVE-2026-41731","description":"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's default bean deserialization, a producer could supply crafted header values that caused the consumer to deserialize arbitrary JDK types.\n\nAffected versions:\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 2.9.1"},"products":[{"@id":"cpe:2.3:a:spring:spring_for_apache_kafka:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:spring:spring_for_apache_kafka:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 2.8.12, 2.9.14, 3.2.14, 3.3.16, 4.0.6.","timestamp":"2026-06-10T17:18:19.967Z"}]}