In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59278
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 06:17:22 UTC
Updated2026-09-01 16:07:35 UTC
DescriptionJsonKafkaHeaderMapper 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

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.001590000 probability, percentile 0.053880000 (date 2026-08-30)

Problem Types: CWE-918 | CWE-918 Server-Side Request Forgery (SSRF) | CWE-918 CWE-918 Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Spring For Apache Kafka All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring For Apache Kafka affected 4.1.0 custom Not specified
CNA Spring Spring For Apache Kafka affected 4.0.0 4.0.6 custom Not specified
CNA Spring Spring For Apache Kafka affected 3.0.0 3.3.16 custom Not specified
CNA Spring Spring For Apache Kafka affected 2.9.0 2.9.14 custom Not specified
CNA Spring Spring For Apache Kafka affected 2.8.12 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-59278 [email protected] spring.io Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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