Lucene search
K

CVE-2026-33558 Apache Kafka, Apache Kafka Clients: Information Exposure Through Network Client Log Output

🗓️ 20 Apr 2026 13:20:38Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Information exposure in NetworkClient debug logs for specific requests; upgrade to Kafka 3.9.2 or 4.0.1+.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Apache Kafka",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "3.9.1",
        "status": "affected",
        "version": "0.11.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.kafka:kafka-clients",
    "product": "Apache Kafka Clients",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "3.9.1",
        "status": "affected",
        "version": "0.11.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation