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CVE-2026-24308

32
FAUCET Score

CVE-2026-24308 is a sensitive information disclosure vulnerability in Apache ZooKeeper versions 3.8.5 and 3.9.4. It allows an attacker to expose sensitive configuration values in client logfiles due to improper handling of these values, which are logged at an INFO level. The vulnerability has a FAUCET Risk Score of 27/100, indicating a moderate risk, and is categorized under CWE-532 (Inclusion of Sensitive Information in Log Files). There is no known active exploitation, nor are there public exploit codes available in Metasploit, Nuclei, or ExploitDB. However, the vulnerability has garnered community attention with 3 mentions across platforms like Bluesky and Mastodon, and has been covered in one security article. Users are advised to upgrade to ZooKeeper 3.8.6 or 3.9.5 to remediate this issue.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.8.0, < 3.8.6CPE matchmatch criteria
cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:*
>= 3.9.0, < 3.9.5CPE matchmatch criteria
cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:*
>= 3.8.0, <= 3.8.5CPE match
cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:*
>= 3.9.0, <= 3.9.4CPE match
cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 43rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.apache.zookeeper:zookeeperFixed in: 3.9.5
mavenpatch availablevia ghsa
Product: org.apache.zookeeper:zookeeperFixed in: 3.8.6
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

mavenGHSA-crhr-qqj8-rpxchigh

Apache ZooKeeper has improper handling of configuration values

Mar 7, 2026
apacheapache:www.mail-archive.com/[email protected]/msg10790.html

CVE-2026-24308: Apache ZooKeeper: Sensitive information disclosure in client configuration handling

Mar 7, 2026

References

access.redhat.com / errata/RHSA-2026:10184
access.redhat.com / errata/RHSA-2026:14272
access.redhat.com / errata/RHSA-2026:14276
access.redhat.com / errata/RHSA-2026:34608
access.redhat.com / errata/RHSA-2026:8509
access.redhat.com / security/cve/CVE-2026-24308
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-24308.json
openwall.com / lists/oss-security/2026/03/07/5
Mailing ListThird Party Advisory
lists.apache.org / thread/qng3rtzv2pqkmko4rhv85jfplkyrgqdr
Mailing ListVendor Advisory