EUVD-2026-80332

The deleteContainer opcode 0x14/20 is processed without verifying the caller's ACL permissions, allowing any authenticated client to delete specific znodes in the data tree regardless of the ACL restrictions on the znode or its parent. This opcode is considered internal-only and the official clie...

CVE-2026-79993

CVE-2026-79993 is an authorization bypass in Apache ZooKeeper (versions 3.9.0–3.9.5 and 3.8.0–3.8.6). The internal-only deleteContainer opcode (0x14/20) is processed without verifying the caller's ACL permissions, completely skipping both the session check and the DELETE ACL check enforced by the...

CVE-2026-79993 Apache ZooKeeper: Missing ACL check on deleteContainer opcode allows unauthorized deletion of any empty persistent/container znode

The deleteContainer opcode 0x14/20 is processed without verifying the caller's ACL permissions, allowing any authenticated client to delete specific znodes in the data tree regardless of the ACL restrictions on the znode or its parent. This opcode is considered internal-only and the official clie...

EUVD-2026-80331

Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. When sslQuorum=true, zookeeper.fips-mode=true, ssl.quorum.hostnameVerification=true, and ssl.quorum.clientHostnameVerification=true are enabled, the Java SSLSocket quorum path accepts a CA-trusted pe...

CVE-2026-59969

Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. When sslQuorum=true, zookeeper.fips-mode=true, ssl.quorum.hostnameVerification=true, and ssl.quorum.clientHostnameVerification=true are all enabled, the Java SSLSocket quorum path still accepts a CA-...

CVE-2026-59969 Apache ZooKeeper: Improper validation of certificate with host mismatch in FIPS mode

Apache ZooKeeper quorum TLS fails to enforce peer hostname verification in FIPS-mode deployments. When sslQuorum=true, zookeeper.fips-mode=true, ssl.quorum.hostnameVerification=true, and ssl.quorum.clientHostnameVerification=true are enabled, the Java SSLSocket quorum path accepts a CA-trusted pe...

EUVD-2026-80330

Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check. An attacker can discover ACL-restricted paths by registering exists-watches on non-existent paths, then reconnecting after the paths are created with restricted ACLs. Issue is caused by incomplete...

CVE-2026-59739 Apache ZooKeeper: Information disclosure via SetWatches reconnect replay

Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check. An attacker can discover ACL-restricted paths by registering exists-watches on non-existent paths, then reconnecting after the paths are created with restricted ACLs. Issue is caused by incomplete...

CVE-2026-59739

Apache ZooKeeper is vulnerable to an information disclosure via the SetWatches/SetWatches2 reconnect replay mechanism. The root cause is an incomplete fix for CVE-2024-23944 (ZOOKEEPER-4799): the earlier patch added ACL checking to WatchManager.triggerWatch(), but DataTree.setWatches() still call...

CLEANSTART-2026-ZI25974 In Eclipse Jetty, the HTTP/1

Multiple security vulnerabilities affect the apache-zookeeper package. In Eclipse Jetty, the HTTP/1. See references for individual vulnerability details...

CLEANSTART-2026-BA42566 In Eclipse Jetty, the HTTP/1

Multiple security vulnerabilities affect the apache-zookeeper package. In Eclipse Jetty, the HTTP/1. See references for individual vulnerability details...

CLEANSTART-2026-GH96150 Netty (io

Multiple security vulnerabilities affect the apache-zookeeper package. Netty io. See references for individual vulnerability details...

CLEANSTART-2026-VJ90703 Security fixes for ghsa-72hv-8253-57qq, ghsa-qqpg-mvqg-649v applied in versions: 3.9.4-r0, 3.9.4-r6

Multiple security vulnerabilities affect the apache-zookeeper package. These issues are resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-ZI18123 Security fixes for ghsa-72hv-8253-57qq applied in versions: 3.6.4-r4

Security vulnerability affects the apache-zookeeper package. This issue is resolved in later releases. See references for vulnerability details...

CLEANSTART-2026-PZ89066 In Eclipse Jetty, the HTTP/1

Multiple security vulnerabilities affect the apache-zookeeper package. In Eclipse Jetty, the HTTP/1. See references for individual vulnerability details...

CLEANSTART-2026-LB53225 Netty (io

Multiple security vulnerabilities affect the apache-zookeeper package. Netty io. See references for individual vulnerability details...

CLEANSTART-2026-NP03031 Security fixes in apache-zookeeper 3.9.5-r5

Package apache-zookeeper version 3.9.5-r5 fixes 4 vulnerabilities: ghsa-r7wm-3cxj-wff9, CVE-2026-54515, CVE-2026-59889, ghsa-mhm7-754m-9p8w...

CLEANSTART-2026-CX26815 Security fixes in apache-zookeeper 3.8.6-r5

Package apache-zookeeper version 3.8.6-r5 fixes 4 vulnerabilities: ghsa-r7wm-3cxj-wff9, CVE-2026-54515, CVE-2026-59889, ghsa-mhm7-754m-9p8w...

CLEANSTART-2026-GI37679 Security fixes in apache-zookeeper 3.6.4-r4

Package apache-zookeeper version 3.6.4-r4 fixes 1 vulnerabilities: ghsa-72hv-8253-57qq...

CLEANSTART-2026-RW73729 Security fixes in apache-zookeeper 3.7.2-r4

Package apache-zookeeper version 3.7.2-r4 fixes 6 vulnerabilities: CVE-2026-25210, CVE-2025-13151, CVE-2026-24515, CVE-2026-22695, CVE-2026-22801...