GHSA-R4WM-X892-VJMX Nest has a Fastify URL Encoding Middleware Bypass

Impact What kind of vulnerability is it? Who is impacted? A NestJS application using @nestjs/platform-fastify can allow bypass of any middleware when Fastify path-normalization options e.g., ignoreTrailingSlash, ignoreDuplicateSlashes, useSemicolonDelimiter are enabled. In affected route-scoped...

CVE-2026-2293

A flaw was found in NestJS. When a NestJS application uses @nestjs/platform-fastify with Fastify path-normalization options enabled, a remote attacker can exploit this to bypass authentication and authorization middleware. This bypass allows unauthorized access to protected resources, compromisin...

@fastify/middie has Improper Path Normalization when Using Path-Scoped Middleware

Summary A path normalization inconsistency in @fastify/middie can result in authentication/authorization bypass when using path-scoped middleware for example, app.use'/secret', auth. When Fastify router normalization options are enabled such as ignoreDuplicateSlashes, useSemicolonDelimiter, and...

GHSA-8P85-9QPW-FWGW @fastify/middie has Improper Path Normalization when Using Path-Scoped Middleware

Summary A path normalization inconsistency in @fastify/middie can result in authentication/authorization bypass when using path-scoped middleware for example, app.use'/secret', auth. When Fastify router normalization options are enabled such as ignoreDuplicateSlashes, useSemicolonDelimiter, and...

Interpretation Conflict

Overview @fastify/middie is a Middleware engine for Fastify Affected versions of this package are vulnerable to Interpretation Conflict via the middleware matching engine when router options like ignoreDuplicateSlashes, useSemicolonDelimiter, or other trailing-slash normalization are enabled. An...

EUVD-2026-9034

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13...

Duplicate Advisory: Nest has a Fastify URL Encoding Middleware Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r4wm-x892-vjmx. This link is maintained to preserve external references. Original Description A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when...

CVE-2026-2880 @fastify/middie has an improper path normalization vulnerability

A vulnerability in @fastify/middie versions 9.2.0 can result in authentication/authorization bypass when using path-scoped middleware for example, app.use'/secret', auth. When Fastify router normalization options are enabled such as ignoreDuplicateSlashes, useSemicolonDelimiter, and related...

CVE-2026-2880 @fastify/middie has an improper path normalization vulnerability

A vulnerability in @fastify/middie versions 9.2.0 can result in authentication/authorization bypass when using path-scoped middleware for example, app.use'/secret', auth. When Fastify router normalization options are enabled such as ignoreDuplicateSlashes, useSemicolonDelimiter, and related...

CVE-2026-2880

Summary: CVE-2026-2880 concerns a path normalization issue in @fastify/middie (versions

Incorrect Authorization

Overview @nestjs/platform-fastify is a Nest - modern, fast, powerful node.js web framework @platform-fastify Affected versions of this package are vulnerable to Incorrect Authorization when Fastify path-normalization options e.g., ignoreTrailingSlash, ignoreDuplicateSlashes, useSemicolonDelimiter...

Incorrect Authorization

Overview @nestjs/core is a Nest - modern, fast, powerful node.js web framework @core Affected versions of this package are vulnerable to Incorrect Authorization when Fastify path-normalization options e.g., ignoreTrailingSlash, ignoreDuplicateSlashes, useSemicolonDelimiter are enabled. An attacke...

CVE-2026-2293

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13...

CVE-2026-2293

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13...

CVE-2026-2293 NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13...

CVE-2026-2293 NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13...

CVE-2026-2293

Summary: CVE-2026-2293 describes a bypass of authentication/authorization in NestJS apps using @nestjs/platform-fastify when Fastify path-normalization options are enabled. The root cause is a mismatch between middleware evaluation and route dispatch due to differing URL interpretations, allowing...

CVE-2026-2293 NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass

A NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13...

PT-2026-22347

Name of the Vulnerable Software and Affected Versions Nest.js version 11.1.13 Description A NestJS application utilizing the @nestjs/platform-fastify package may experience a bypass of authentication and authorization middleware when Fastify path-normalization options are enabled. This can...

nest 安全漏洞

nest is a Node.js framework developed by Nestjs, designed for building efficient, scalable, and enterprise-level server-side applications using TypeScript/JavaScript. Version 11.1.13 of nest contains a security vulnerability. This vulnerability arises from NestJS applications that utilize...