CVE-2026-59278

MediumCVSS 6.5/10Last modified Sep 1, 2026

Description

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. Spring for Apache Kafka 4.1.0 Spring for Apache Kafka 4.0.0 - 4.0.6 Spring for Apache Kafka 3.0.0 - 3.3.16 Spring for Apache Kafka 2.9.0 - 2.9.14 Spring for Apache Kafka 2.8.12 and earlier

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-918

Affected software

Vendor	Product	Versions
Spring	Spring for Apache Kafka	4.1.0; >= 4.0.0, <= 4.0.6; >= 3.0.0, <= 3.3.16; >= 2.9.0, <= 2.9.14; <= 2.8.12

References

https://spring.io/security/cve-2026-59278Vendor Advisory

Timeline

Published: Aug 27, 2026
Last modified: Sep 1, 2026
NVD status: Analyzed

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