Apache Zookeeper
14 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Apache Zookeeper, a product in the databases space. Use it to gauge the current risk picture and drill into individual advisories.
Apache Zookeeper CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 1 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 1 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 2 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 5 |
Severity
How the 14 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical2
- High7
- Medium5
Latest CVEs
The 14 most recently published vulnerabilities affecting Apache Zookeeper.
- CVE-2026-84501Apache ZooKeeper: Operational log forgery via newline injection in EnsembleAuthenticationProvider5.3
- CVE-2026-84439Apache ZooKeeper: Audit log injection via unsanitized output from multiple sources5.3
- CVE-2026-79993Apache ZooKeeper: Missing ACL check on deleteContainer opcode allows unauthorized deletion of any empty persistent/container znode7.5
- CVE-2026-59969Apache ZooKeeper: Improper validation of certificate with host mismatch in FIPS mode7.5
- CVE-2026-59739Apache ZooKeeper: Information disclosure via SetWatches reconnect replay7.5
- CVE-2026-24308Apache ZooKeeper: Sensitive information disclosure in client configuration handling7.5
- CVE-2026-24281Apache ZooKeeper: Reverse-DNS fallback enables hostname verification bypass in ZooKeeper ZKTrustManager7.4
- CVE-2025-58457Apache ZooKeeper: Insufficient Permission Check in AdminServer Snapshot/Restore Commands4.3
- CVE-2024-51504Apache ZooKeeper: Authentication bypass with IP-based authentication in Admin Server9.1
- CVE-2024-23944Apache ZooKeeper: Information disclosure in persistent watcher handling5.3
- CVE-2023-44981Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication9.1
- CVE-2019-0201An issue is present in Apache ZooKeeper 1.0.0 to 3.4.13 and 3.5.0-alpha to 3.5.4-beta. ZooKeeper’s getACL() command doesn’t check any permission when retrieves the ACLs of the requested node an...5.9
- CVE-2018-8012No authentication/authorization is enforced when a server attempts to join a quorum in Apache ZooKeeper before 3.4.10, and 3.5.0-alpha through 3.5.3-beta. As a result an arbitrary end point could j...7.5
- CVE-2017-5637Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate clien...7.5
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