CVE-2026-24308
Information Exposure via Improper Logging in Apache ZooKeeper ZKConfig
Publication date: 2026-03-07
Last updated on: 2026-03-10
Assigner: Apache Software Foundation
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apache | zookeeper | From 3.8.0 (inc) to 3.8.6 (exc) |
| apache | zookeeper | From 3.9.0 (inc) to 3.9.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-532 | The product writes sensitive information to a log file. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
Users are recommended to upgrade Apache ZooKeeper to version 3.8.6 or 3.9.5, which fixes the issue of sensitive information exposure in client logfiles.
Can you explain this vulnerability to me?
This vulnerability involves improper handling of configuration values in the ZKConfig component of Apache ZooKeeper versions 3.8.5 and 3.9.4. It causes sensitive information stored in client configuration to be exposed in the client's logfile.
The sensitive configuration values are logged at the INFO level, which means they can be viewed in production system logs, potentially exposing confidential data.
The issue affects all platforms running the specified versions of Apache ZooKeeper.
How can this vulnerability impact me? :
This vulnerability can lead to exposure of sensitive information through log files, which may include confidential client configuration details.
If an attacker gains access to these log files, they could retrieve sensitive data that might be used to compromise the system or gain unauthorized access.
Such exposure can increase the risk of data breaches and undermine the security of production environments.