Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the JsonKafkaHeaderMapper or the deprecated DefaultKafkaHeaderMapper functions. An attacker can achieve arbitrary code execution by supplying crafted header values that trigger deserialization of...

CVE-2026-33558

CVE-2026-33558 affects Apache Kafka: the NetworkClient logs sensitive information at DEBUG level, exposing full requests/responses for certain APIs (AlterConfigsRequest, AlterUserScramCredentialsRequest, ExpireDelegationTokenRequest, IncrementalAlterConfigsRequest, RenewDelegationTokenRequest, Sa...