PT-2026-22347 · Unknown+2 · @Nestjs/Platform-Fastify+2

Cristian Vargas · CVE-2026-2293 · Published 2026-02-27 · Updated 2026-04-14

Positive Technologies (AI Summary)

CVSS v4.0

8.2

High

Base vector

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

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 potentially allow unauthorized access to protected resources.

Recommendations Ensure Fastify path-normalization options are disabled in NestJS applications using @nestjs/platform-fastify.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-551

CWE-863

Related Identifiers

CVE-2026-2293

GHSA-7Q64-3RG2-H9PF

GHSA-R4WM-X892-VJMX

Affected Products

@Nestjs/Platform-Fastify

Fastify

Nestjs

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2293.json · Exploit
• 🔥 https://fluidattacks.com/advisories/neton · Exploit
• https://github.com/nestjs/nest/releases/tag/v11.1.14 · Patch
• https://osv.dev/vulnerability/GHSA-7q64-3rg2-h9pf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2293 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2293 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-r4wm-x892-vjmx · Vendor Advisory
• https://github.com/nestjs/nest · Note
• https://github.com/nestjs/nest/commit/fd8d073e0e048b185147209338ca7042e52c10ba · Note
• https://github.com/nestjs/nest/security/advisories/GHSA-r4wm-x892-vjmx · Note
• https://access.redhat.com/security/cve/CVE-2026-2293 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2443367 · Note
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2293.json · Note
• https://t.me/CVEtracker/45987 · Telegram Post
• https://twitter.com/fluidattacks/status/2044168820235907180 · Twitter Post