CVE-2026-2293 HIGH

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

Vendor Nest.js
Product nest.js
Weakness CWE-863 · Incorrect authorization
Published February 27, 2026
Last update February 27, 2026

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
February 27, 2026 Record updated