CLEANSTART-2026-JM28284 Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check

Security vulnerability affects the spark package. Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check...

CLEANSTART-2026-ML04549 Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check

Security vulnerability affects the apache-hive package. Information disclosure via SetWatches reconnect replay in Apache ZooKeeper due to missing ACL check...

CVE-2026-59739

Apache ZooKeeper is vulnerable to information disclosure due to a missing ACL check in the SetWatches reconnect replay handler. An attacker can discover ACL-restricted paths by registering exists-watches on non-existent paths and then reconnecting after those paths are created with restricted ACL...

PT-2026-93406

Name of the Vulnerable Software and Affected Versions Apache ZooKeeper versions prior to 3.9.6 Apache ZooKeeper versions prior to 3.8.7 Description An information disclosure issue exists due to a missing Access Control List ACL check during the SetWatches reconnect replay. An attacker can discove...