Review reviewHigh

CVE-2026-24308

Apache Software Foundation Apache ZooKeeper, Red Hat AMQ Broker 7.12.7, Red Hat AMQ Broker 7.13.5

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.

CVSS
7.5
EPSS
1.18%
64.5% percentile
CISA KEV
Not listed
Published
2026.03.07
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.18%
Technical severityCVSS 7.5

Vulnerability overview

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.

Affected product and versions

Product
Apache Software Foundation Apache ZooKeeper, Red Hat AMQ Broker 7.12.7, Red Hat AMQ Broker 7.13.5
Affected versions
>= 3.9.0 <= 3.9.4, >= 3.8.0 <= 3.8.5, >= 3.8.0 < 3.8.6, >= 3.9.0 < 3.9.5
Fixed versions
3.8.6, 3.9.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Apache Software Foundation Apache ZooKeeper, Red Hat AMQ Broker 7.12.7, Red Hat AMQ Broker 7.13.5 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-117, CWE-532