Lightbend Alpakka Kafka before 5.0.0 logs its configuration as debug information, and thus log files may contain credentials (if plain cleartext login is configured). This occurs in akka.kafka.internal.KafkaConsumerActor.
https://github.com/akka/alpakka-kafka/issues/1592
https://akka.io/security/alpakka-kafka-cve-2023-29471.html
Source: Mitre, NVD
Published: 2023-04-27
Updated: 2026-06-17
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00024