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Product · Spring

Spring for Apache Kafka

6 known vulnerabilities.

Spring for Apache Kafka at a glance

Last 12 months
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Critical · all time
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Public exploit · all time
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New vulnerabilities per month · last 12 months
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All Critical High Medium Low Exploited only Public exploit

6 results · Feed

  • Medium 6.5
    CVE-2026-59317

    In Spring for Apache Kafka, missing header validation in DeadLetterPublishingRecovererFactory enables denial of service via a poison-pill loop

    DeadLetterPublishingRecovererFactory reads the retry_topic-original-timestamp header from an inbound ConsumerRecord and passes its raw bytes directly to new BigInteger(header.value()) with no length or format validation. Spring for Apache Kafka 4.1.0 Spring f…

    Spring Spring for Apache Kafka
  • Medium 6.5
    CVE-2026-59278

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

    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.In…

    Spring Spring for Apache Kafka
  • High 8.1
    CVE-2026-41731

    In Spring for Apache Kafka, overly broad trusted-package matching in header mappers exposes JDK classes to deserialization

    JsonKafkaHeaderMapper and the deprecated DefaultKafkaHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Combined with Jackson's default bean deserializa…

    Spring Spring for Apache Kafka org.springframework.kafka:spring-kafka Maven
  • Medium 6.5
    CVE-2026-41727

    In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior

    Spring Kafka's retry topic infrastructure did not sufficiently validate user-controlled header values before acting on them. A producer could send a record with a crafted retry_topic-attempts header to supply an out-of-range attempt count and cause the retry …

    Spring Spring for Apache Kafka org.springframework.kafka:spring-kafka Maven
  • Medium 6.5
    CVE-2026-41726

    In Spring for Apache Kafka, unbounded delegate cache keyed on user-controlled, potentially malicious selector header

    When an application opts into DelegatingDeserializer, a producer can grow the consumer's heap without bound by sending records with unique random spring.kafka.serialization.selector header values, eventually causing GC thrash and OutOfMemoryError. Affected ve…

    Spring Spring for Apache Kafka org.springframework.kafka:spring-kafka Maven
  • Medium 5.3
    CVE-2023-34040 Public exploit

    Java Deserialization vulnerability in Spring-Kafka When Improperly Configured

    In Spring for Apache Kafka 3.0.9 and earlier and versions 2.9.10 and earlier, a possible deserialization attack vector existed, but only if unusual configuration was applied. An attacker would have to construct a malicious serialized object in one of the dese…

    Spring Spring for Apache Kafka org.springframework.kafka:spring-kafka Maven