Lightbend Alpakka Kafka logs credentials on debug level
Lightbend Alpakka Kafka before 4.0.2 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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.typesafe.akka:akka-stream-kafka_2.11 | all versions | no fix |
| Java / Kotlin (Maven) | com.typesafe.akka:akka-stream-kafka_2.12 | < 4.0.2 | 4.0.2 |
| Java / Kotlin (Maven) | com.typesafe.akka:akka-stream-kafka_2.13 | < 4.0.2 | 4.0.2 |
| Java / Kotlin (Maven) | com.typesafe.akka:akka-stream-kafka_3 | < 4.0.2 | 4.0.2 |
References
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-312, CWE-532- Platform
- Java / Kotlin (Maven)
- Package
com.typesafe.akka:akka-stream-kafka_2.11, com.typesafe.akka:akka-stream-kafka_2.12, com.typesafe.akka:akka-stream-kafka_2.13- Disclosed
- 27.04.2023
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-55vq-xpjf-r2xc - CC BY 4.0
Vulnerability history: com.typesafe.akka:akka-stream-kafka_2.12
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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