CVE catalog
CVE-2026-24308
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 clie
- Severity
- Low · CVSS 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.20% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | zookeeper | sid | 3.9.6-2 | fixed |
| Debian | zookeeper | forky | 3.9.6-2 | fixed |
| Debian | zookeeper | trixie | 3.9.3-1+deb13u1 | vulnerable |
| Debian | zookeeper | bookworm | 3.8.0-11+deb12u2 | vulnerable |
| Debian | zookeeper | bookworm-security | 3.8.0-11+deb12u1 | vulnerable |
| Maven | org.apache.zookeeper:zookeeper | Not reported | 3.9.5 | fixed |
| Maven | org.apache.zookeeper:zookeeper | Not reported | 3.8.6 | fixed |
| Cpe | zookeeper | Not reported | Not reported | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | zookeeper | source | sid | 3.9.5-1 | not yet assigned | Not reported | [1130497] |
| Debian | zookeeper | source | forky | 3.9.5-1 | not yet assigned | Not reported | [1130497] |
| Debian | zookeeper | source | trixie | (unfixed) | not yet assigned | Not reported | [1130497] |
| Debian | zookeeper | source | bookworm | (unfixed) | not yet assigned | Not reported | [1130497] |
| Maven | org.apache.zookeeper:zookeeper | maven | Not reported | 3.9.5 | Not reported | Not reported | Not reported |
| Maven | org.apache.zookeeper:zookeeper | maven | Not reported | 3.8.6 | Not reported | Not reported | Not reported |
Notes
[trixie] zookeeper: Minor issue [bookworm] zookeeper: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libzookeeper-java]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [libzookeeper-java-doc]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [libzookeeper-mt2]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· amd64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· arm64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· amd64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· arm64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [libzookeeper-mt-dev]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· amd64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· arm64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· amd64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· arm64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [libzookeeper-st2]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· amd64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· arm64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· amd64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· arm64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [libzookeeper-st-dev]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· amd64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· arm64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· amd64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· arm64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [python3-zookeeper]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· amd64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· arm64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· amd64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· arm64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [zookeeper]Affected
Details (4)
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [zookeeper-bin]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· amd64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· arm64 · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· amd64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· arm64 · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
- [zookeeperd]Affected
Source package: [zookeeper]
Details (4)
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u2· all · bookwormAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
3.8.0-11+deb12u1· all · bookworm-securityAffected
nvd · zookeeper · debian · bookworm; nvd · zookeeper · debian · 12
[Debian 13 (Trixie)]
- [libzookeeper-java]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
- [libzookeeper-java-doc]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
- [libzookeeper-mt2]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· amd64 · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· arm64 · trixieAffected
nvd · zookeeper · debian · 13
- [libzookeeper-mt-dev]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· amd64 · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· arm64 · trixieAffected
nvd · zookeeper · debian · 13
- [libzookeeper-st2]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· amd64 · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· arm64 · trixieAffected
nvd · zookeeper · debian · 13
- [libzookeeper-st-dev]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· amd64 · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· arm64 · trixieAffected
nvd · zookeeper · debian · 13
- [python3-zookeeper]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· amd64 · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· arm64 · trixieAffected
nvd · zookeeper · debian · 13
- [zookeeper]Affected
Details (2)
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
- [zookeeper-bin]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· amd64 · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· arm64 · trixieAffected
nvd · zookeeper · debian · 13
- [zookeeperd]Affected
Source package: [zookeeper]
Details (2)
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
3.9.3-1+deb13u1· all · trixieAffected
nvd · zookeeper · debian · 13
Observed:
References
- [https://github.com/advisories/GHSA-crhr-qqj8-rpxc]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-24308]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-24308]
- [https://security-tracker.debian.org/tracker/CVE-2026-24308]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24308.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1723.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]