CVE-2025-55300

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.

CVSS

No CVSS.

References

Link	Resource
https://github.com/komari-monitor/komari/commit/d31d12e59febce100ab0285b93338f09aa5d6cb1
https://github.com/komari-monitor/komari/security/advisories/GHSA-q355-h244-969h

Configurations

No configuration.

History

18 Aug 2025, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-18 18:15

Updated : 2025-08-18 20:16

NVD link : CVE-2025-55300

Mitre link : CVE-2025-55300

CVE.ORG link : CVE-2025-55300

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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