CVE-2026-35554

A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics. When a produce batch expires due to delivery.timeout.ms while a network request containing that batch is still in flight, the batch’s ByteBuffer is...

CVE-2026-35554

A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics. When a produce batch expires due to delivery.timeout.ms while a network request containing that batch is still in flight, the batch’s ByteBuffer is...

CVE-2026-35554

Summary of CVE-2026-35554 : A race condition in the Apache Kafka Java producer client’s buffer pool management can cause message corruption and misrouting. When a produce batch expires due to delivery timeout while its network request is in flight, the batch ByteBuffer may be deallocated early an...

PT-2026-30827

Name of the Vulnerable Software and Affected Versions Apache Kafka versions 3.9.1 and earlier, 4.0.1 and earlier, and 4.1.1 and earlier Description A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics...