CVE-2026-2293
Received
Received - Intake
Authentication Bypass in NestJS @nestjs/platform-fastify Module
Publication date: 2026-02-27
Last updated on: 2026-04-14
Assigner: Fluid Attacks
Description
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nestjs | nest | 11.1.13 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-863 | The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in a NestJS application that uses the @nestjs/platform-fastify package. When Fastify's path-normalization options are enabled, it can allow an attacker to bypass authentication and authorization middleware.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized access because attackers may bypass authentication and authorization controls. This could allow them to access protected resources or perform actions without proper permissions.
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