Apache Zookeeper Vulnerabilities

Apache Apache Zookeeper vulnerabilities.

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16 September 2026

Arbitrary Log Injection in Apache ZooKeeper Operational Log
CVE-2026-84501
ApacheApache Zookeeper
Log Injection Vulnerability in Apache ZooKeeper Affects Multiple Versions
CVE-2026-84439
ApacheApache Zookeeper
Authorization Bypass in Apache ZooKeeper Affecting Multiple Versions
CVE-2026-79993
ApacheApache Zookeeper
Hostname Verification Flaw in Apache ZooKeeper Quorum TLS
CVE-2026-59969
ApacheApache Zookeeper
Information Disclosure Vulnerability in Apache ZooKeeper by The Apache Software Foundation
CVE-2026-59739
ApacheApache Zookeeper

7 March 2026

24 September 2025

Improper Permission Check in Apache ZooKeeper Affects AdminServer Functionality
CVE-2025-58457
ApacheApache Zookeeper4.3MEDIUM

7 November 2024

ZooKeeper Admin Server IP Authentication Provider Vulnerability: Bypass via Spoofing
CVE-2024-51504
ApacheApache Zookeeper

15 March 2024

Persistent Watchers Handling Vulnerability Exposes Sensitive Information
CVE-2024-23944
ApacheApache Zookeeper5.3MEDIUM

11 October 2023

Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication
CVE-2023-44981
ApacheApache Zookeeper9.1CRITICAL

23 May 2019

Access Control Vulnerability in Apache ZooKeeper by Apache Software Foundation
CVE-2019-0201
ApacheApache Zookeeper5.9MEDIUM

21 May 2018

Authentication and Authorization Flaw in Apache ZooKeeper Versions Prior to 3.4.10
CVE-2018-8012
ApacheApache Zookeeper7.5HIGH

10 October 2017

Denial of Service Vulnerability in Apache ZooKeeper Server
CVE-2017-5637
ApacheApache ZookeeperEPSS 73%7.5HIGH