---
title: "@modelcontextprotocol/sdk — CVE-2026-111767"
description: "An authentication bypass flaw affects the npm package @modelcontextprotocol/sdk. Affected versions: >= 1.24.0, < 1.32.0. Fixed from version 1.32.0. CVSS score 8.6."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-20-cve-2026-111767
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-20
dateModified: 2026-10-20
---
# @modelcontextprotocol/sdk — CVE-2026-111767

An authentication bypass flaw affects the npm package @modelcontextprotocol/sdk. Affected versions: >= 1.24.0, < 1.32.0. Fixed from version 1.32.0. CVSS score 8.6.

## What to do

Update @modelcontextprotocol/sdk to 1.32.0 or later.

| Fact | Value |
| --- | --- |
| Package | @modelcontextprotocol/sdk |
| Ecosystem | npm (JavaScript) |
| Class | Authentication bypass |
| Affected versions | >= 1.24.0, < 1.32.0 |
| Fixed version | 1.32.0 |
| CVSS | 8.6 |
| CVE | CVE-2026-111767 |
| GHSA | GHSA-22jm-h49p-29qw |
| Published on | October 20, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-22jm-h49p-29qw](https://github.com/advisories/GHSA-22jm-h49p-29qw) — GitHub Security Advisories
- [NVD — CVE-2026-111767](https://nvd.nist.gov/vuln/detail/CVE-2026-111767) — NVD

---

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