Description


mcp-go through 1.2.1 contains a denial of service vulnerability in StreamableHTTPServer.ServeHTTP that allows remote unauthenticated attackers to exhaust memory by sending oversized POST bodies. Attackers can send arbitrarily large or many concurrent POST requests, read fully via io.ReadAll before validation, to degrade or OOM-kill the server process.

Related CPE's


Could not find any relations

Weaknesses



CWE-770

CVSS impact metrics


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

7.5 · High

Information


Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-10-11T14:17:05.780Z

2 hours ago

Last modified

2026-10-11T14:17:05.893Z

2 hours ago