CVE•Published 2026-03-07•Modified 2026-07-15•0 articles on news•5 live references•NVD data

CVE-2026-24308Apache · Zookeeper

Vulnerability data via NVD (ingested)

CVSS v3.1

7.5

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 36% of all CVEs

Weaknesses (CWE)

CWE-532Insertion of Sensitive Information into Log File CWE-117Improper Output Neutralization for Logs

Description

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.

Timeline

Published 2026-03-07

Modified 2026-07-15

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-24308

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Apache Zookeeper"

All exposed Apache Zookeeper instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Zookeeper"

HTTP body or banner mentions "Zookeeper" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-24308