Security Advisory

CVE-2025-55300

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-08-18 17:41:37

Last updated 2025-08-18 17:52:19

Assigner GitHub_M

State PUBLISHED

Description

Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. Prior to 1.0.4-fix1, WebSocket upgrader has disabled origin checking, enabling Cross-Site WebSocket Hijacking (CSWSH) attacks against authenticated users. Any third party website can send requests to the terminal websocket endpoint with browsers cookies, resulting in remote code execution. This vulnerability is fixed in 1.0.4-fix1.

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