In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Spring · Spring for Apache Kafka