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

Project Subscriptions

Vendors Products
Spring For Apache Kafka Subscribe
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Fixes

Solution

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Workaround

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References
History

Thu, 27 Aug 2026 08:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-918

Thu, 27 Aug 2026 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring For Apache Kafka
Vendors & Products Spring
Spring spring For Apache Kafka

Thu, 27 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
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
Title In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-08-27T12:37:42.585Z

Reserved: 2026-07-04T18:13:09.973Z

Link: CVE-2026-59278

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-27T06:17:22.403

Modified: 2026-08-27T06:17:22.403

Link: CVE-2026-59278

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-27T08:15:05Z

Weaknesses