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.

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Sat, 07 Mar 2026 09:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache ZooKeeper: Sensitive information disclosure in client configuration handling
Weaknesses CWE-532
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-03-07T08:51:17.567Z

Reserved: 2026-01-21T21:37:46.975Z

Link: CVE-2026-24308

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-03-07T09:16:07.660

Modified: 2026-03-07T09:16:07.660

Link: CVE-2026-24308

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses