{"id":"RHLW-2026-533c8df135d5b52e","summary":"Lightwell Security Advisory: kafka-clients 3.9.1.rhlw-00001","details":"Red Hat Lightwell has released org.apache.kafka:kafka-clients 3.9.1.rhlw-00001 with backported fixes for CVE-2026-33558 and CVE-2026-35554.\n\nCVE-2026-33558: Apache Kafka, Apache Kafka Clients: Information Exposure Through Network Client Log Output\n\nCVE-2026-35554: Apache Kafka Clients: Kafka Producer Message Corruption and Misrouting via Buffer Pool Race Condition\n\nThis patched artifact is a drop-in replacement for org.apache.kafka:kafka-clients 3.9.1 from Maven Central.","modified":"2026-10-20T23:13:15.682453910Z","published":"2026-09-08T07:41:44Z","upstream":["CVE-2026-33558","CVE-2026-35554","GHSA-5qcv-4rpc-jp93","GHSA-wf66-mphr-4c4r"],"references":[{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33558.json"},{"type":"ADVISORY","url":"https://kafka.apache.org/cve-list"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33558"},{"type":"ARTICLE","url":"https://lists.apache.org/thread/pz5g4ky3h0k91tfd14p0dzqjp80960kl"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-wf66-mphr-4c4r"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35554.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/f07x7j8ovyqhjd1to25jsnqbm6wj01d6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35554"},{"type":"REPORT","url":"https://issues.apache.org/jira/browse/KAFKA-19012"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-5qcv-4rpc-jp93"}],"schema_version":"1.9.1","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}],"credits":[{"name":"Red Hat Lightwell","type":"REMEDIATION_DEVELOPER"}]}