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GHSA-53w6-v7cv-fc9h

Spring for Apache Kafka: Improper Validation of Retry Topic Header Values Leads to Retry Sequence Manipulation

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-41727

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework.kafka:spring-kafka >= 4.0.0, < 4.0.6 4.0.6
Maven org.springframework.kafka:spring-kafka >= 3.3.0, < 3.3.16 3.3.16
Maven org.springframework.kafka:spring-kafka >= 3.2.0, <= 3.2.13 no fix listed
Maven org.springframework.kafka:spring-kafka >= 2.9.0, <= 2.9.13 no fix listed
Maven org.springframework.kafka:spring-kafka <= 2.8.11 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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 topic router to misidentify where the message was in the retry sequence. Affected versions: Spring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11.

References

External links from the advisory. They lead to third-party sites.