What is CVE-2026-30618?

CVE-2026-30618 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-07-15.

How severe is CVE-2026-30618?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in N/a

CVE-2026-30618

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…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-30618?: CVE-2026-30618 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-07-15.
How severe is CVE-2026-30618?: Critical severity. CVSS v3 base score is 9.8 out of 10.