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...

CVE-2026-79993

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...

PT-2026-93415

Name of the Vulnerable Software and Affected Versions Apache ZooKeeper versions 3.9.0 through 3.9.5 Apache ZooKeeper versions 3.8.0 through 3.8.6 Description An authorization bypass exists where the deleteContainer opcode 0x14/20 is processed without verifying the caller's Access Control List ACL...

CVE-2026-79993: Missing Authorization

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...