What’s Vulnerable › Vulnerabilities

CVE-2023-29471

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-27 · updated 2026-06-17
• Weakness: CWE-312

Description

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.

Affected products

• Lightbend Alpakka Kafka: before 4.0.2 — fixed in 4.0.2

How to fix

Upgrade to a fixed version: Lightbend Alpakka Kafka 4.0.2. Check the vendor advisory for mitigations.

References

• https://akka.io/security/alpakka-kafka-cve-2023-29471.html
• https://github.com/akka/alpakka-kafka/issues/1592
• https://akka.io/security/alpakka-kafka-cve-2023-29471.html
• https://github.com/akka/alpakka-kafka/issues/1592

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