Apache ZooKeeper: Sensitive information disclosure in client configuration handling

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-24308
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-07 09:16:07 UTC
Updated2026-07-03 13:17:01 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-532 | CWE-117 | CWE-532 CWE-532 Insertion of Sensitive Information into Log File | CWE-117 Improper Output Neutralization for Logs

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1ADPCVSS3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.10b0ca135-0b70-47e7-9f44-1890c2a1c46cSecondary3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Zookeeper All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache ZooKeeper affected 3.9.0 3.9.4 maven Not specified
CNA Apache Software Foundation Apache ZooKeeper affected 3.8.0 3.8.5 maven Not specified
ADP Red Hat Red Hat AMQ Broker 7.12.7 Not specified Not specified
ADP Red Hat Red Hat AMQ Broker 7.13.5 Not specified Not specified
ADP Red Hat Red Hat AMQ Broker 7.14.0 Not specified Not specified
ADP Red Hat Red Hat OpenShift AI 2.25 Not specified Not specified
ADP Red Hat Streams For Apache Kafka 2.9.4 Not specified Not specified
ADP Red Hat Red Hat Build Of Debezium 2 Not specified Not specified
ADP Red Hat Red Hat Build Of Debezium 3 Not specified Not specified
ADP Red Hat Red Hat Fuse 7 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat Offline Knowledge Portal Not specified Not specified
ADP Red Hat Red Hat OpenShift AI RHOAI Not specified Not specified
ADP Red Hat Streams For Apache Kafka 3 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel For Spring Boot 4 Not specified Not specified
ADP Red Hat Red Hat Data Grid 8 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8 Not specified Not specified

References

ReferenceSourceLinkTags
security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24308.json 0b0ca135-0b70-47e7-9f44-1890c2a1c46c security.access.redhat.com
access.redhat.com/errata/RHSA-2026:14276 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
lists.apache.org/thread/qng3rtzv2pqkmko4rhv85jfplkyrgqdr [email protected] lists.apache.org Mailing List, Vendor Advisory
access.redhat.com/errata/RHSA-2026:8509 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:10184 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:34608 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/errata/RHSA-2026:14272 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
www.openwall.com/lists/oss-security/2026/03/07/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
access.redhat.com/security/cve/CVE-2026-24308 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
bugzilla.redhat.com/show_bug.cgi 0b0ca135-0b70-47e7-9f44-1890c2a1c46c bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Youlong Chen <[email protected]> (en)

Additional Advisory Data

SourceTimeEvent
ADP2026-03-07T09:01:03.859ZReported to Red Hat.
ADP2026-03-07T08:51:17.567ZMade public.

Solutions

ADP: RHSA-2026:14276: Red Hat AMQ Broker 7.12.7

ADP: RHSA-2026:14272: Red Hat AMQ Broker 7.13.5

ADP: RHSA-2026:8509: Red Hat AMQ Broker 7.14.0

ADP: RHSA-2026:10184: Red Hat OpenShift AI 2.25

ADP: RHSA-2026:34608: Streams for Apache Kafka 2.9.4

Workarounds

ADP: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

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