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Case File

CVE-2025-55300

UNKNOWN · CVSS N/A EPSS 0.55% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-08-18 · Last synced 2026-08-04

CyberRota Analysis

This vulnerability has an unknown severity rating. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-55300
Severity
UNKNOWN
CVSS
N/A
EPSS
0.55%

Original NVD 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 browser's cookies, resulting in remote code execution. This vulnerability is fixed in 1.0.4-fix1.