Posted by Andor Molnar on Nov 03 Severity: important CVSS 4.0: 8.7 (high) CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Affected versions: - Apache ZooKeeper 3.9.0 through 3.9.6 - Apache ZooKeeper 3.8.0 through 3.8.7 Description: Improper handling of exceptional conditions in the quota subsystem of Apache ZooKeeper allows an attacker able to write under the /zookeeper/quota subtree — unauthenticated on default deployments, where that subtree is...
CVE-2026-100300: Apache ZooKeeper: Unauthenticated persistent denial of service via unvalidated quota-node data and paths crashing the transaction-apply thread
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