# @nestjs/platform-fastify (npm) vulnerabilities

4 known vulnerabilities (3 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 12.4.0 (Nov 6, 2026): no advisory affects it
- Newest unaffected release: 12.4.0 (Nov 6, 2026), the latest release
- Weekly downloads: 2.8M
- Dependents: 22
- Releases: 351 since 6.0.0 (Mar 16, 2019)
- Registry: https://www.npmjs.com/package/@nestjs/platform-fastify
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-54281: 6.0.0-alpha.3 to 11.1.23 (11.1.24 is outside it)
- CVE-2026-33011: 6.0.0-alpha.3 to 11.1.15 (11.1.16 is outside it)
- CVE-2026-2293: 6.0.0-alpha.3 to 11.1.13 (11.1.14 is outside it)
- CVE-2025-69211: 6.0.0-alpha.3 to 11.1.10 (11.1.11 is outside it)

## Advisories (4)

### [CVE-2026-54281](https://cve.now/CVE-2026-54281): Nest: Middleware Bypass on Fastify via Trailing Slash

- Severity: High 8.7
- Published: Jun 22, 2026
- Affected: fixed in 11.1.24.
- Fixed in 11.1.24 (released May 25, 2026, 28 days before disclosure).
- The latest release, 12.4.0, is not affected.
- 25% of @nestjs/platform-fastify downloads last week were affected versions (761.4K).

### [CVE-2026-33011](https://cve.now/CVE-2026-33011): Nest Fastify HEAD Request Middleware Bypass

- Severity: High 8.7
- Published: Mar 20, 2026
- Affected: fixed in 11.1.16.
- Fixed in 11.1.16 (released Mar 5, 2026, 15 days before disclosure).
- The latest release, 12.4.0, is not affected.
- 20% of @nestjs/platform-fastify downloads last week were affected versions (596.4K).

### [CVE-2026-2293](https://cve.now/CVE-2026-2293): NestJS 11.1.13 - Lack of data validation allowing authentication/authorization bypass

- Severity: High 8.2
- Published: Feb 27, 2026
- Affected: fixed in 11.1.14.
- Fixed in 11.1.14 (released Feb 17, 2026, 10 days before disclosure).
- The latest release, 12.4.0, is not affected.
- 19% of @nestjs/platform-fastify downloads last week were affected versions (567.3K).

### [CVE-2025-69211](https://cve.now/CVE-2025-69211): Nest has a Fastify URL Encoding Middleware Bypass (TOCTOU)

- Severity: Medium 6.9
- Published: Dec 29, 2025
- Affected: fixed in 11.1.11.
- Fixed in 11.1.11 (released Dec 29, 2025, the day of disclosure).
- The latest release, 12.4.0, is not affected.
- 18% of @nestjs/platform-fastify downloads last week were affected versions (535.5K).

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