GHSA-7q64-3rg2-h9pf: Duplicate Advisory Nest Has A Fastify URL Vulnerability

HIGH
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CWE-863
Published
Advisory Summary

GHSA-7q64-3rg2-h9pf is a HIGH nest has a fastify url vulnerability (CWE-863: Incorrect Authorization) affecting Duplicate Advisory libraries in the npm ecosystem. The issue involves nest has a fastify url encoding middleware bypass. Remediation is available by upgrading affected packages to version 11.1.14.

GHSA-7q64-3rg2-h9pf at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-7q64-3rg2-h9pf
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-863: Incorrect Authorization
Affected Product Duplicate Advisory
Package Ecosystem npm
Published Date
Last Updated

How to Fix GHSA-7q64-3rg2-h9pf

To remediate this vulnerability, upgrade all affected Duplicate Advisory dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

@nestjs/platform-fastify fixed: 11.1.14 
npm install @nestjs/platform-fastify@11.1.14
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls @nestjs/platform-fastify

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-7q64-3rg2-h9pf, inspect your project dependencies using npm:

npm ls @nestjs/platform-fastify

Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 11.1.14), your application is affected.

Note: The npm ls @nestjs/platform-fastify command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-863: Incorrect Authorization, where 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. In Duplicate Advisory, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

## 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 Fastify path-normalization options are enabled. This issue affects nest.Js: 11.1.13.

GHSA-7q64-3rg2-h9pf Affected Duplicate Advisory Versions

1 component(s)
Fixed Versions:
11.1.14
Product / Package Ecosystem Affected Versions Fixed Version
@nestjs/platform-fastify
npm/@nestjs/platform-fastify
npm
< 11.1.14
11.1.14

References

NVD — GHSA-7q64-3rg2-h9pf NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2293
fluidattacks.com/advisories/neton WEB
https://fluidattacks.com/advisories/neton
Duplicate Advisory Source Repository REPOSITORY
https://github.com/nestjs/nest
Duplicate Advisory Release RELEASE
https://github.com/nestjs/nest/releases/tag/v11.1.14

Frequently Asked Questions

What is GHSA-7q64-3rg2-h9pf?
GHSA-7q64-3rg2-h9pf is a security vulnerability in Duplicate Advisory involving Nest has a Fastify URL Encoding Middleware Bypass under CWE-863: Incorrect Authorization.
Which Duplicate Advisory versions are affected?
Affected versions include releases prior to 11.1.14 across affected packages: @nestjs/platform-fastify.
What version fixes GHSA-7q64-3rg2-h9pf?
Upgrading to 11.1.14 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @nestjs/platform-fastify affected?
Yes, @nestjs/platform-fastify is affected in releases prior to 11.1.14. Upgrade your dependency to 11.1.14 or later.
What CWE is associated with GHSA-7q64-3rg2-h9pf?
GHSA-7q64-3rg2-h9pf is classified under CWE-863: Incorrect Authorization (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.).
How can I check npm dependencies for GHSA-7q64-3rg2-h9pf?
Run the dependency tree command: 'npm ls @nestjs/platform-fastify'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-7q64-3rg2-h9pf",
  "modified" : "2026-03-02T14:34:03Z",
  "published" : "2026-02-27T18:31:06Z",
  "withdrawn" : "2026-03-02T14:34:03Z",
  "aliases" : [ ],
  "summary" : "Duplicate Advisory: Nest has a Fastify URL Encoding Middleware Bypass",
  "details" : "## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-r4wm-x892-vjmx. This link is maintained to preserve external references.\n\n## Original Description\n\nA NestJS application using @nestjs/platform-fastify can allow bypass of authentication/authorization middleware when Fastify path-normalization options are enabled.\n\n\n\nThis issue affects nest.Js: 11.1.13.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@nestjs/platform-fastify"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "11.1.14"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-2293"
  }, {
    "type" : "WEB",
    "url" : "https://fluidattacks.com/advisories/neton"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/nestjs/nest"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/nestjs/nest/releases/tag/v11.1.14"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-02T14:34:03Z",
    "nvd_published_at" : "2026-02-27T17:16:33Z"
  }
}