---
id: CVE-2025-69211
title: Nest is a framework for building scalable Node.js server-side applications
summary: >-
  Nest is a framework for building scalable Node.js server-side applications.
  Versions prior to 11.1.11 have a Fastify URL encoding middleware bypass. A
  NestJS application is vulnerable if it uses `@nestjs/platform-fastify`; relies
  on `Nes…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-367
vendor: nestjs
product: nest
affected:
  - nest < 11.1.11
patched:
  - nest 11.1.11
published: '2025-12-29'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T19:10:00.210'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-69211'
references:
  - url: >-
      https://github.com/nestjs/nest/commit/c4cedda15a05aafec1e6045b36b0335ab850e771
    label: security-advisories@github.com
  - url: 'https://github.com/nestjs/nest/security/advisories/GHSA-8wpr-639p-ccrj'
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00382
epssPercentile: 0.29873
ingestedAt: '2026-10-05T19:30:59.957Z'
---

## Overview

Nest is a framework for building scalable Node.js server-side applications. Versions prior to 11.1.11 have a Fastify URL encoding middleware bypass. A NestJS application is vulnerable if it uses `@nestjs/platform-fastify`; relies on `NestMiddleware` (via `MiddlewareConsumer`) for security checks (authentication, authorization, etc.), or through `app.use()`; and applies middleware to specific routes using string paths or controllers (e.g., `.forRoutes('admin')`). Exploitation can result in unauthenticated users accessing protected routes, restricted administrative endpoints becoming accessible to lower-privileged users, and/or middleware performing sanitization or validation being skipped. This issue is patched in `@nestjs/platform-fastify@11.1.11`.

## Affected

- `nest < 11.1.11`

## Remediation

Upgrade past the affected range:

- `nest 11.1.11`