{"schema_version":1,"title":"Apache Zookeeper vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in Apache Zookeeper: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84501, was published on 16 September 2026.","url":"https://junglewise.ai/threats/technologies/zookeeper","json_url":"https://junglewise.ai/threats/technologies/zookeeper.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/zookeeper","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":5,"all_time":7,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":5,"last_90_days":5,"last_365_days":7},"latest":[{"cve":"CVE-2026-84501","cvss":5.3,"epss":0.0074,"slug":"cve-2026-84501-apache-zookeeper-log-injection-via-crafted-add-auth-request","title":"Apache ZooKeeper log injection via crafted add_auth request","severity":"medium","exploited":false,"published_at":"2026-09-16T10:16:53.557+00:00","url":"https://junglewise.ai/threats/cve-2026-84501-apache-zookeeper-log-injection-via-crafted-add-auth-request"},{"cve":"CVE-2026-84439","cvss":5.3,"epss":0.0074,"slug":"cve-2026-84439-apache-zookeeper-audit-log-injection-via-tab-characters","title":"Apache ZooKeeper audit log injection via tab characters","severity":"medium","exploited":false,"published_at":"2026-09-16T10:16:53.433+00:00","url":"https://junglewise.ai/threats/cve-2026-84439-apache-zookeeper-audit-log-injection-via-tab-characters"},{"cve":"CVE-2026-79993","cvss":7.5,"epss":0.006,"slug":"cve-2026-79993-apache-zookeeper-deletecontainer-acl-bypass","title":"Apache ZooKeeper deleteContainer ACL bypass","severity":"high","exploited":false,"published_at":"2026-09-16T10:16:53.19+00:00","url":"https://junglewise.ai/threats/cve-2026-79993-apache-zookeeper-deletecontainer-acl-bypass"},{"cve":"CVE-2026-59969","cvss":7.5,"epss":0.0033,"slug":"cve-2026-59969-apache-zookeeper-hostname-verification-bypass-in-fips-mode-quorum","title":"Apache ZooKeeper hostname verification bypass in FIPS-mode quorum TLS","severity":"high","exploited":false,"published_at":"2026-09-16T10:16:51.22+00:00","url":"https://junglewise.ai/threats/cve-2026-59969-apache-zookeeper-hostname-verification-bypass-in-fips-mode-quorum"},{"cve":"CVE-2026-59739","cvss":7.5,"epss":0.0055,"slug":"cve-2026-59739-apache-zookeeper-information-disclosure-in-setwatches-reconnect","title":"Apache ZooKeeper information disclosure in SetWatches reconnect replay","severity":"high","exploited":false,"published_at":"2026-09-16T10:16:51.097+00:00","url":"https://junglewise.ai/threats/cve-2026-59739-apache-zookeeper-information-disclosure-in-setwatches-reconnect"},{"cve":"CVE-2026-24308","cvss":7.5,"epss":0.0118,"slug":"cve-2026-24308-apache-zookeeper-sensitive-information-disclosure-in-zkconfig-log","title":"Apache ZooKeeper sensitive information disclosure in ZKConfig log output","severity":"high","exploited":false,"published_at":"2026-03-07T09:16:07.66+00:00","url":"https://junglewise.ai/threats/cve-2026-24308-apache-zookeeper-sensitive-information-disclosure-in-zkconfig-log"},{"cve":"CVE-2026-24281","cvss":7.4,"epss":0.0063,"slug":"cve-2026-24281-apache-zookeeper-hostname-verification-bypass-in-zktrustmanager","title":"Apache ZooKeeper hostname verification bypass in ZKTrustManager","severity":"high","exploited":false,"published_at":"2026-03-07T09:16:07.437+00:00","url":"https://junglewise.ai/threats/cve-2026-24281-apache-zookeeper-hostname-verification-bypass-in-zktrustmanager"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":5},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Apache Tomcat","slug":"tomcat","vulnerabilities":78,"url":"https://junglewise.ai/threats/technologies/tomcat"},{"name":"Apache Airflow","slug":"airflow","vulnerabilities":63,"url":"https://junglewise.ai/threats/technologies/airflow"},{"name":"Apache Camel","slug":"camel","vulnerabilities":40,"url":"https://junglewise.ai/threats/technologies/camel"},{"name":"Apache Traffic Server","slug":"traffic-server","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/traffic-server"},{"name":"Apache HTTP Server","slug":"http-server","vulnerabilities":32,"url":"https://junglewise.ai/threats/technologies/http-server"},{"name":"Apache CloudStack","slug":"cloudstack","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/cloudstack"},{"name":"Apache Ofbiz","slug":"ofbiz","vulnerabilities":22,"url":"https://junglewise.ai/threats/technologies/ofbiz"},{"name":"Apache ActiveMQ","slug":"activemq","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/activemq"},{"name":"Apache Storm","slug":"storm","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/storm"},{"name":"Apache Apisix","slug":"apisix","vulnerabilities":16,"url":"https://junglewise.ai/threats/technologies/apisix"},{"name":"Apache Thrift","slug":"thrift","vulnerabilities":16,"url":"https://junglewise.ai/threats/technologies/thrift"},{"name":"Apache ActiveMQ Artemis","slug":"activemq-artemis","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/activemq-artemis"}],"technology":{"hub":true,"name":"Apache Zookeeper","slug":"zookeeper","vendor":{"name":"Apache","slug":"apache","url":"https://junglewise.ai/threats/vendors/apache"},"aliases":[],"category":"service","homepage":"https://zookeeper.apache.org/","repo_url":"https://github.com/apache/zookeeper","description":"A centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.","url":"https://junglewise.ai/threats/technologies/zookeeper"},"most_severe":[{"cve":"CVE-2026-24308","cvss":7.5,"epss":0.0118,"slug":"cve-2026-24308-apache-zookeeper-sensitive-information-disclosure-in-zkconfig-log","title":"Apache ZooKeeper sensitive information disclosure in ZKConfig log output","severity":"high","exploited":false,"published_at":"2026-03-07T09:16:07.66+00:00","url":"https://junglewise.ai/threats/cve-2026-24308-apache-zookeeper-sensitive-information-disclosure-in-zkconfig-log"},{"cve":"CVE-2026-79993","cvss":7.5,"epss":0.006,"slug":"cve-2026-79993-apache-zookeeper-deletecontainer-acl-bypass","title":"Apache ZooKeeper deleteContainer ACL bypass","severity":"high","exploited":false,"published_at":"2026-09-16T10:16:53.19+00:00","url":"https://junglewise.ai/threats/cve-2026-79993-apache-zookeeper-deletecontainer-acl-bypass"},{"cve":"CVE-2026-59739","cvss":7.5,"epss":0.0055,"slug":"cve-2026-59739-apache-zookeeper-information-disclosure-in-setwatches-reconnect","title":"Apache ZooKeeper information disclosure in SetWatches reconnect replay","severity":"high","exploited":false,"published_at":"2026-09-16T10:16:51.097+00:00","url":"https://junglewise.ai/threats/cve-2026-59739-apache-zookeeper-information-disclosure-in-setwatches-reconnect"},{"cve":"CVE-2026-59969","cvss":7.5,"epss":0.0033,"slug":"cve-2026-59969-apache-zookeeper-hostname-verification-bypass-in-fips-mode-quorum","title":"Apache ZooKeeper hostname verification bypass in FIPS-mode quorum TLS","severity":"high","exploited":false,"published_at":"2026-09-16T10:16:51.22+00:00","url":"https://junglewise.ai/threats/cve-2026-59969-apache-zookeeper-hostname-verification-bypass-in-fips-mode-quorum"},{"cve":"CVE-2026-24281","cvss":7.4,"epss":0.0063,"slug":"cve-2026-24281-apache-zookeeper-hostname-verification-bypass-in-zktrustmanager","title":"Apache ZooKeeper hostname verification bypass in ZKTrustManager","severity":"high","exploited":false,"published_at":"2026-03-07T09:16:07.437+00:00","url":"https://junglewise.ai/threats/cve-2026-24281-apache-zookeeper-hostname-verification-bypass-in-zktrustmanager"},{"cve":"CVE-2026-84501","cvss":5.3,"epss":0.0074,"slug":"cve-2026-84501-apache-zookeeper-log-injection-via-crafted-add-auth-request","title":"Apache ZooKeeper log injection via crafted add_auth request","severity":"medium","exploited":false,"published_at":"2026-09-16T10:16:53.557+00:00","url":"https://junglewise.ai/threats/cve-2026-84501-apache-zookeeper-log-injection-via-crafted-add-auth-request"},{"cve":"CVE-2026-84439","cvss":5.3,"epss":0.0074,"slug":"cve-2026-84439-apache-zookeeper-audit-log-injection-via-tab-characters","title":"Apache ZooKeeper audit log injection via tab characters","severity":"medium","exploited":false,"published_at":"2026-09-16T10:16:53.433+00:00","url":"https://junglewise.ai/threats/cve-2026-84439-apache-zookeeper-audit-log-injection-via-tab-characters"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}