CVE-2026-79538

CriticalCVSS 9.8/10Last modified Sep 29, 2026

Description

metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio (createTransport, STDIO branch, routers/mcp-proxy/server.ts).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Sep 29, 2026
Last modified: Sep 29, 2026
NVD status: Deferred

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