Report suspected security vulnerabilities privately to security@kafka.apache.org, following the ASF security process. Do not open public GitHub issues or pull requests, file public JIRA tickets, or post to mailing lists for unpatched vulnerabilities.
Disclosed CVEs and their affected version ranges are published at kafka.apache.org/cve-list.
What is in and out of scope, how reports are classified, and the list of known non-findings are documented in the Apache Kafka security model under docs/security/: