CVE-2026-24308
Apache ZooKeeper: Sensitive information disclosure in client configuration handling
CVSS Score
6.5
EPSS Score
1.2%
EPSS Percentile
64th
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.
| CWE | CWE-532 |
| Vendor | apache software foundation |
| Product | apache zookeeper |
| Published | Mar 7, 2026 |
| Last Updated | Jul 15, 2026 |
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Affected Versions
Apache Software Foundation / Apache ZooKeeper
3.9.0 ≤ 3.9.4 3.8.0 ≤ 3.8.5
References
lists.apache.org: https://lists.apache.org/thread/qng3rtzv2pqkmko4rhv85jfplkyrgqdr openwall.com: http://www.openwall.com/lists/oss-security/2026/03/07/5 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-24308 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2445451 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24308.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:14276 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:14272 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8509 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:10184 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:34608
Credits
🔍 Youlong Chen <[email protected]>