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...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the retrytopic-attempts header. An attacker can manipulate retry routing and backoff behavior by sending crafted headers with out-of-range attempt counts. Remediation Upgrade...

PT-2026-75928

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...

cve-2026-41727 - MEDIUM - In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior

cve-2026-41727 - MEDIUM - In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior...