CVE-2026-59278
Published:August 27, 2026
Updated:September 24, 2026
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
Affected Packages
https://github.com/spring-projects/spring-kafka.git (GITHUB):
Affected version(s) >=v4.0.0 <v4.0.7Fix Suggestion:
Update to version v4.0.7https://github.com/spring-projects/spring-kafka.git (GITHUB):
Affected version(s) =v4.1.0 <v4.1.1Fix Suggestion:
Update to version v4.1.1org.springframework.kafka:spring-kafka (JAVA):
Affected version(s) =4.1.0 <4.1.1Fix Suggestion:
Update to version 4.1.1org.springframework.kafka:spring-kafka (JAVA):
Affected version(s) >=4.0.0 <4.0.7Fix Suggestion:
Update to version 4.0.7Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
EPSS
Base Score:
0.16