VulertSecurity VulertSecurity

Vulnerability Database · Maven · Package report

org.apache.zookeeper:zookeeper: vulnerability history, versions and safety

org.apache.zookeeper:zookeeper is a package in the Maven ecosystem. Vulert records 9 vulnerabilities for it across 51 releases, from May 2019 to Mar 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

i
9 vulnerabilities recorded C1 H5 M3
i
0 with no fix published

Every vulnerability has a patched version to move to.

i
2 in the last 12 months

Most recent disclosure 07 Mar 2026.

See the disclosure history →
i
0 malicious-package vulnerabilities

No published version shipped hostile code.

See all org.apache.zookeeper:zookeeper vulnerabilities

Vulert verdict on org.apache.zookeeper:zookeeper 3.9.6 i

Updated on 23 Oct 2026

Good news: 3.9.6, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 9.

Package health score 80/100
  • Security Some issues to review
  • Maintenance Sustainable
  • Popularity Widely used
  • Community Not enough data

What to do: Stay on 3.9.6 or newer. This can change: a vulnerability disclosed tomorrow can affect 3.9.6 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 3.9.6 — unaffected i
  • Vulnerabilities on record 9 over 6 years · 2 in the last year i
  • Latest disclosure 07 Mar 2026 i
  • Highest CVSS 9.1 i
  • With no published fix 0 i
  • Depended on by 229 packages i
  • Last release 1 month ago i
  • Licence Apache-2.0 i

Version list, release dates, licence and dependants published by Maven Central, refreshed 22 Oct 2026. Licence information is not legal advice.

Concerned about your application's security?

Vulert continues monitoring your dependencies and alerts you when new vulnerabilities are disclosed. No installation and no source-code access required.

01 Versions

Which versions are affected

Every version Vulert tracks for org.apache.zookeeper:zookeeper, newest first, with the vulnerabilities recorded against each one. A version showing none has no vulnerability in the Vulert database — open it for the full picture on that release.

i
Version Released Vulert vulnerabilities Licence Fix published Details
3.9.6 03 Sep 2026 none Apache-2.0 — Details →
3.8.7 03 Sep 2026 none Apache-2.0 — Details →
3.9.5 11 Feb 2026 none Apache-2.0 — Details →
3.8.6 28 Jan 2026 none Apache-2.0 — Details →
3.8.5 03 Sep 2025 H1 Apache-2.0 Yes Details →
3.9.4 19 Aug 2025 H1 Apache-2.0 Yes Details →
3.9.3 17 Oct 2024 H1 M1 Apache-2.0 Yes Details →
3.8.4 12 Feb 2024 H1 Apache-2.0 Yes Details →
3.9.2 12 Feb 2024 H2 M1 Apache-2.0 Yes Details →
3.7.2 06 Oct 2023 none Apache-2.0 — Details →
3.8.3 05 Oct 2023 H1 M1 Apache-2.0 Yes Details →
3.9.1 02 Oct 2023 H2 M1 Apache-2.0 Yes Details →
3.9.0 19 Jul 2023 H2 M1 Apache-2.0 Yes Details →
3.8.2 05 Jul 2023 H1 M1 Apache-2.0 Yes Details →
3.8.1 25 Jan 2023 H1 M1 Apache-2.0 Yes Details →
3.6.4 18 Dec 2022 C1 Apache-2.0 Yes Details →
3.5.10 29 May 2022 C1 Apache-2.0 Yes Details →
3.7.1 07 May 2022 C1 Apache-2.0 Yes Details →
3.8.0 25 Feb 2022 H1 M1 Apache-2.0 Yes Details →
3.6.3 08 Apr 2021 C1 Apache-2.0 Yes Details →
3.7.0 17 Mar 2021 C1 Apache-2.0 Yes Details →
3.5.9 06 Jan 2021 C1 Apache-2.0 Yes Details →
3.6.2 04 Sep 2020 C1 Apache-2.0 Yes Details →
3.5.8 04 May 2020 C1 Apache-2.0 Yes Details →
3.6.1 21 Apr 2020 C1 Apache-2.0 Yes Details →
3.6.0 25 Feb 2020 C1 Apache-2.0 Yes Details →
3.5.7 10 Feb 2020 C1 Apache-2.0 Yes Details →
3.5.6 08 Oct 2019 C1 Apache-2.0 Yes Details →
3.5.5 03 May 2019 C1 Apache-2.0 Yes Details →
3.4.14 06 Mar 2019 C1 Apache-2.0 Yes Details →
3.4.13 30 Jun 2018 C1 M1 Apache-2.0 Yes Details →
3.5.4-beta 11 May 2018 C1 Apache-2.0 Yes Details →
3.4.12 27 Mar 2018 C1 M1 Apache-2.0 Yes Details →
3.4.11 01 Nov 2017 C1 M1 Apache-2.0 Yes Details →
3.5.3-beta 03 Apr 2017 C1 Apache-2.0 Yes Details →
3.4.10 23 Mar 2017 C1 M1 Apache-2.0 Yes Details →
3.4.9 23 Aug 2016 C1 H2 M1 Apache-2.0 Yes Details →
3.5.2-alpha 01 Jul 2016 C1 Apache-2.0 Yes Details →
3.4.8 06 Feb 2016 C1 H2 M1 — Yes Details →
3.4.7 11 Nov 2015 C1 H2 M1 — Yes Details →
3.5.1-alpha 28 Jul 2015 C1 — Yes Details →
3.5.0-alpha 01 Aug 2014 C1 — Yes Details →
3.4.6 23 Feb 2014 C1 H2 M1 — Yes Details →
3.4.5 19 Nov 2012 C1 H2 M1 — Yes Details →
3.4.4 24 Sep 2012 C1 H2 M1 — Yes Details →
3.3.6 03 Aug 2012 C1 H1 M1 — Yes Details →
3.3.5 21 Mar 2012 C1 H1 M1 — Yes Details →
3.4.3 14 Feb 2012 C1 H2 M1 — Yes Details →
3.4.2 29 Dec 2011 C1 H2 M1 — Yes Details →
3.4.1 17 Dec 2011 C1 H2 M1 — Yes Details →
3.3.4 29 Nov 2011 C1 H1 M1 — Yes Details →
3.4.0 23 Nov 2011 C1 H2 M1 — Yes Details →
3.3.3 01 Mar 2011 C1 H1 M1 — Yes Details →
3.3.2 12 Nov 2010 C1 H1 M1 — Yes Details →
3.3.1 07 May 2010 C1 H1 M1 — Yes Details →
3.3.0 19 Mar 2010 C1 H1 M1 — Yes Details →

All 56 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2019 1
  • 2022 2
  • 2023 1
  • 2024 2
  • 2025 1
  • 2026 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 2 of the 9 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for org.apache.zookeeper:zookeeper

The 5 most severe of 9 vulnerabilities recorded for this package

Search all 9 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2023-44981: Authorization Bypass Through User-Controlled Key in Apache ZooKeeper 9.1 critical 3.7.2 11 Oct 2023
CVE-2024-51504: Apache ZooKeeper Authentication Bypass via IP Spoofing in Admin Server 8.8 high 3.9.3 07 Nov 2024
CVE-2026-24308: Apache ZooKeeper Configuration Exposure Vulnerability 8.7 high 3.9.5 07 Mar 2026
CVE-2018-8012: Missing Authorization in Apache ZooKeeper 7.5 high 3.4.10 13 May 2022
CVE-2017-5637: Uncontrolled Resource Consumption in Apache ZooKeeper 7.5 high 3.4.10 13 May 2022

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →

Questions

About org.apache.zookeeper:zookeeper

Is org.apache.zookeeper:zookeeper safe to use?

Vulert records 9 vulnerabilities for org.apache.zookeeper:zookeeper in Maven: 1 critical, 5 high, 3 medium and 0 low. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

What is org.apache.zookeeper:zookeeper's Vulert package health score?

Vulert scores org.apache.zookeeper:zookeeper 80/100, which reads as in good shape. The score weighs the vulnerability record (40), maintenance and release cadence (25), adoption from dependents and stars (20) and community signals such as the OpenSSF scorecard and forks (15).

Is the latest version of org.apache.zookeeper:zookeeper affected?

No. 3.9.6, the version you would install today, has no vulnerabilities on record against it. Earlier releases do — the version table above lists each release with what affects it.

Which version of org.apache.zookeeper:zookeeper should I use?

3.9.6 is the version Vulert recommends for the affected releases. The version table above lists every release with the vulnerabilities recorded against it, so you can confirm the range you actually run.

How many vulnerabilities does org.apache.zookeeper:zookeeper have?

9 vulnerabilities are recorded for org.apache.zookeeper:zookeeper in the Maven ecosystem: 1 critical, 5 high, 3 medium and 0 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new org.apache.zookeeper:zookeeper vulnerabilities disclosed?

2 vulnerabilities were recorded for org.apache.zookeeper:zookeeper in the last 12 months, and the oldest entry in this database dates to 29 May 2019. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of org.apache.zookeeper:zookeeper are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor org.apache.zookeeper:zookeeper for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the org.apache.zookeeper:zookeeper version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.