HIGH
GHSA-crhr-qqj8-rpxc
Apache ZooKeeper has improper handling of configuration values
Quick fix
GHSA-crhr-qqj8-rpxc — org.apache.zookeeper:zookeeper: upgrade to the fixed version with the command below.
# pom.xml: bump <version>3.9.5</version> for org.apache.zookeeper:zookeeperDetails
Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.
Are you affected?
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Affected packages
Maven/org.apache.zookeeper:zookeeper
Introduced in:
3.9.0Fixed in: 3.9.5Fix
# pom.xml: bump <version>3.9.5</version> for org.apache.zookeeper:zookeeperMaven/org.apache.zookeeper:zookeeper
Introduced in:
3.8.0Fixed in: 3.8.6Fix
# pom.xml: bump <version>3.8.6</version> for org.apache.zookeeper:zookeeperReferences
- https://nvd.nist.gov/vuln/detail/CVE-2026-24308[ADVISORY]
- https://github.com/apache/zookeeper[PACKAGE]
- https://github.com/apache/zookeeper/releases/tag/release-3.8.6[WEB]
- https://github.com/apache/zookeeper/releases/tag/release-3.9.5[WEB]
- https://lists.apache.org/thread/qng3rtzv2pqkmko4rhv85jfplkyrgqdr[WEB]
- http://www.openwall.com/lists/oss-security/2026/03/07/5[WEB]