CVEvulnerability

CVE-2026-30618

9.8 CRITICAL Published 2026-07-15 Modified 2026-07-16 Official page ↗
Status
Deferred
Published
2026-07-15
Last modified
2026-07-16
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-94

Description

xszyou Fay 4.3.1 contains a remote code execution vulnerability in its MCP STDIO server management and command execution handling. A remote attacker can access the publicly exposed MCP management interface and configure an MCP STDIO server with attacker-controlled commands and parameters, resulting in execution of arbitrary commands on the server. Successful exploitation allows arbitrary command execution within the context of the Fay service.

Related

Weakness · CWE (1)

  • CWE-94 Improper Control of Generation of Code weakness

References