Insertion of Sensitive Information into Log File Affecting org.apache.zookeeper:zookeeper package, versions [3.5.2-alpha,3.8.6)[3.9.0,3.9.5)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.18% (64th percentile)

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  • Snyk IDSNYK-JAVA-ORGAPACHEZOOKEEPER-15443353
  • published10 Mar 2026
  • disclosed7 Mar 2026
  • creditYoulong Chen

Introduced: 7 Mar 2026

CVE-2026-24308  (opens in a new tab)
CWE-532  (opens in a new tab)

How to fix?

Upgrade org.apache.zookeeper:zookeeper to version 3.8.6, 3.9.5 or higher.

Overview

org.apache.zookeeper:zookeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.

Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File via logging ZK configuration properties in the ZKConfig class. An attacker can obtain sensitive information and secrets by accessing client log files where configuration values are written at the INFO logging level.

Note: Logging of ZK config was introduced in 3.5.2-alpha and was gated by isDebugEnabled until version 3.6.0.

CVSS Base Scores

version 4.0
version 3.1