CVE-2026-24308

EUVD-2026-10140
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 65.46%
Affected Products (NVD)
VendorProductVersion
apachezookeeper
3.8.0 ≤
𝑥
< 3.8.6
apachezookeeper
3.9.0 ≤
𝑥
< 3.9.5
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
Red HatRed Hat OpenShift AI 2.25
1776756834 ≤
𝑥
< *
ADP
Debian logo
Debian Releases
Debian Product
Codename
zookeeper
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
postponed
forky
3.9.5-2
fixed
sid
3.9.5-2
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
zookeeper
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage