CVE-2023-28110 (jumpserver, koko)

Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.

bastion cluster connect container cve disrupt environment host koko kubernetes may open source popular refactoring result service sftp ssh terminal tokens version vulnerability web