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.
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Fixes

Solution

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Workaround

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History

Fri, 27 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 27 Feb 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass
First Time appeared Nest.js
Nest.js nest.js
Weaknesses CWE-863
CPEs cpe:2.3:a:nest.js:nest.js:11.1.13:*:ios:*:*:*:*:*
cpe:2.3:a:nest.js:nest.js:11.1.13:*:macos:*:*:*:*:*
cpe:2.3:a:nest.js:nest.js:11.1.13:*:windows:*:*:*:*:*
Vendors & Products Nest.js
Nest.js nest.js
References
Metrics cvssV4_0

{'score': 8.2, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published:

Updated: 2026-02-27T17:07:59.779Z

Reserved: 2026-02-10T15:48:58.721Z

Link: CVE-2026-2293

cve-icon Vulnrichment

Updated: 2026-02-27T17:07:48.467Z

cve-icon NVD

Status : Received

Published: 2026-02-27T17:16:33.357

Modified: 2026-02-27T17:16:33.357

Link: CVE-2026-2293

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses