CVE-2023-29471: Lightbend Alpakka Kafka before 5.0.0 logs its configuration as debug information, and thus log files may conta
CVE-2023-29471 is a medium-severity flaw (CVSS 5.5) affecting alpakka kafka. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-312 |
| Published | 2023-04-27 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-29471?
alpakka kafka: upgrade to 4.0.2. Exact commands for each OS are on this page.
Is CVE-2023-29471 being exploited?
CVE-2023-29471 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-29471 affect?
CVE-2023-29471 affects alpakka kafka. Severity is medium (CVSS 5.5). 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.
How urgent is CVE-2023-29471?
Priority 20/100. No elevated risk signals yet.