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CVE-2026-24281 Apache ZooKeeper: Reverse-DNS fallback enables hostname verification bypass in ZooKeeper ZKTrustManager

🗓️ 07 Mar 2026 08:50:32Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-24281: ZooKeeper ZKTrustManager may bypass hostname verification via reverse domain name fallback.

Related
Affected
Refs
[
  {
    "collectionURL": "https://repo.maven.apache.org/maven2",
    "defaultStatus": "unaffected",
    "packageName": "org.apache.zookeeper:zookeeper",
    "product": "Apache ZooKeeper",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "3.9.4",
        "status": "affected",
        "version": "3.9.0",
        "versionType": "maven"
      },
      {
        "lessThanOrEqual": "3.8.5",
        "status": "affected",
        "version": "3.8.0",
        "versionType": "maven"
      }
    ]
  }
]

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