CVE-2026-30618 | BDVDB-2026-348574 Detail

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.

Impact#

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Exploit#

History#

1. Version 12026-07-15Record published in the CVE List.
2. Version 22026-07-16Most recent update recorded in the CVE List.