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Advisory details: gitlab / maven/org.apache.zookeeper/zookeeper/CVE-2026-24308
Advisory ID gitlab/maven/org.apache.zookeeper/zookeeper/CVE-2026-24308
Aliases CVE-2026-24308
GHSA-crhr-qqj8-rpxc
Summary Apache ZooKeeper has improper handling of configuration values 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-532 Insertion of Sensitive Information into Log File
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.apache.zookeeper/zookeeper/CVE-2026-24308.yml
Reference id Reference type URL
https://github.com/apache/zookeeper
https://github.com/apache/zookeeper/releases/tag/release-3.8.6
https://github.com/apache/zookeeper/releases/tag/release-3.9.5
CVE-2026-24308 https://nvd.nist.gov/vuln/detail/CVE-2026-24308
GHSA-crhr-qqj8-rpxc https://github.com/advisories/GHSA-crhr-qqj8-rpxc
qng3rtzv2pqkmko4rhv85jfplkyrgqdr Advisory https://lists.apache.org/thread/qng3rtzv2pqkmko4rhv85jfplkyrgqdr
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.apache.zookeeper/zookeeper/CVE-2026-24308.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-10T17:34:03Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/24xxx/CVE-2026-24308.json

Source Advisory: vulnrichment/CVE-2026-24308

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]