K000162184: Spring Kafka vulnerability CVE-2026-41727

Security Advisory Description 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 retrytopic-attempts header to supply an out-of-range attempt count and cause the retry topic...

CVE-2026-41727

Summary: Spring for Apache Kafka’s retry topic infrastructure does not adequately validate user-controlled header values, allowing a crafted retry_topic-attempts header to supply an out-of-range attempt count and cause the retry topic router to misidentify a message’s position in the retry sequen...