# NestJS vulnerabilities

Source: https://junglewise.ai/threats/vendors/nestjs  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/nestjs.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 11 vulnerabilities in NestJS: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, NestJS microservices unbounded memory growth in TCP transport, was published on 30 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 2 technologies have a page of their own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 11 (1 critical, 0 exploited in the wild)

## About NestJS

The organization responsible for the development of the NestJS framework.

## Latest NestJS vulnerabilities

- [NestJS microservices unbounded memory growth in TCP transport](https://junglewise.ai/threats/nest-unbounded-memory-growth-in-the-nestjs-tcp-microservice-transport-0546a51d) (medium, CVSS 6.5, published 30 Sep 2026)
- [NestJS platform-fastify path-scoped middleware bypass via absolute-form targets](https://junglewise.ai/threats/nestjs-platform-fastify-path-scoped-middleware-bypass-via-absolute-form-738dbc19) (high, CVSS 7.4, published 30 Sep 2026)
- [CVE-2026-102281: NestJS denial of service via deeply nested microservice message pattern](https://junglewise.ai/threats/cve-2026-102281-nest-is-a-framework-for-building-scalable-node-js-server-side) (high, CVSS 7.5, published 28 Sep 2026)
- [CVE-2026-54281: NestJS authentication bypass in @nestjs/platform-fastify via trailing slash](https://junglewise.ai/threats/cve-2026-54281-nestjs-authentication-bypass-in-nestjs-platform-fastify-via) (high, CVSS 4, published 22 Jun 2026)
- [CVE-2026-40879: Nest Affected by DoS via Recursive handleData in JsonSocket (TCP Transport)](https://junglewise.ai/threats/cve-2026-40879-nest-affected-by-dos-via-recursive-handledata-in-jsonsocket-tcp) (high, CVSS 7.5, published 21 Apr 2026)
- [CVE-2026-35515: @nestjs/core Improperly Neutralizes Special Elements in Output Used by a Downstream Component ('Injection')](https://junglewise.ai/threats/cve-2026-35515-nestjs-core-improperly-neutralizes-special-elements-in-output) (medium, CVSS 6.1, published 7 Apr 2026)
- [CVE-2026-33011: NestJS platform-fastify HEAD request middleware bypass](https://junglewise.ai/threats/cve-2026-33011-nestjs-platform-fastify-head-request-middleware-bypass) (medium, CVSS 4, published 17 Mar 2026)
- [CVE-2026-2293: NestJS auth bypass in @nestjs/platform-fastify](https://junglewise.ai/threats/cve-2026-2293-nestjs-auth-bypass-in-nestjs-platform-fastify) (critical, CVSS 9.8, published 27 Feb 2026)
- [CVE-2025-69211: NestJS Fastify URL encoding middleware bypass](https://junglewise.ai/threats/cve-2025-69211-nestjs-fastify-url-encoding-middleware-bypass) (high, CVSS 7.4, published 29 Dec 2025)
- [CVE-2025-54782: NestJS devtools-integration sandbox escape and RCE](https://junglewise.ai/threats/cve-2025-54782-nestjs-devtools-integration-sandbox-escape-and-rce) (medium, CVSS 4, published 1 Aug 2025)
- [CVE-2023-26108: NestJS Core information exposure in StreamableFile pipe](https://junglewise.ai/threats/cve-2023-26108-nestjs-core-information-exposure-in-streamablefile-pipe) (low, CVSS 3.1, published 6 Mar 2023)

## Most severe NestJS vulnerabilities

- [CVE-2026-2293: NestJS auth bypass in @nestjs/platform-fastify](https://junglewise.ai/threats/cve-2026-2293-nestjs-auth-bypass-in-nestjs-platform-fastify) (critical, CVSS 9.8, published 27 Feb 2026)
- [CVE-2026-102281: NestJS denial of service via deeply nested microservice message pattern](https://junglewise.ai/threats/cve-2026-102281-nest-is-a-framework-for-building-scalable-node-js-server-side) (high, CVSS 7.5, published 28 Sep 2026)
- [CVE-2026-40879: Nest Affected by DoS via Recursive handleData in JsonSocket (TCP Transport)](https://junglewise.ai/threats/cve-2026-40879-nest-affected-by-dos-via-recursive-handledata-in-jsonsocket-tcp) (high, CVSS 7.5, published 21 Apr 2026)
- [CVE-2025-69211: NestJS Fastify URL encoding middleware bypass](https://junglewise.ai/threats/cve-2025-69211-nestjs-fastify-url-encoding-middleware-bypass) (high, CVSS 7.4, published 29 Dec 2025)
- [NestJS platform-fastify path-scoped middleware bypass via absolute-form targets](https://junglewise.ai/threats/nestjs-platform-fastify-path-scoped-middleware-bypass-via-absolute-form-738dbc19) (high, CVSS 7.4, published 30 Sep 2026)
- [CVE-2026-54281: NestJS authentication bypass in @nestjs/platform-fastify via trailing slash](https://junglewise.ai/threats/cve-2026-54281-nestjs-authentication-bypass-in-nestjs-platform-fastify-via) (high, CVSS 4, published 22 Jun 2026)
- [NestJS microservices unbounded memory growth in TCP transport](https://junglewise.ai/threats/nest-unbounded-memory-growth-in-the-nestjs-tcp-microservice-transport-0546a51d) (medium, CVSS 6.5, published 30 Sep 2026)
- [CVE-2026-35515: @nestjs/core Improperly Neutralizes Special Elements in Output Used by a Downstream Component ('Injection')](https://junglewise.ai/threats/cve-2026-35515-nestjs-core-improperly-neutralizes-special-elements-in-output) (medium, CVSS 6.1, published 7 Apr 2026)
- [CVE-2025-54782: NestJS devtools-integration sandbox escape and RCE](https://junglewise.ai/threats/cve-2025-54782-nestjs-devtools-integration-sandbox-escape-and-rce) (medium, CVSS 4, published 1 Aug 2025)
- [CVE-2026-33011: NestJS platform-fastify HEAD request middleware bypass](https://junglewise.ai/threats/cve-2026-33011-nestjs-platform-fastify-head-request-middleware-bypass) (medium, CVSS 4, published 17 Mar 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 3 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## NestJS technologies

- [NestJS](https://junglewise.ai/threats/technologies/nest): 7 vulnerabilities
- [NestJS Platform Fastify](https://junglewise.ai/threats/technologies/platform-fastify): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "NestJS vulnerabilities", https://junglewise.ai/threats/vendors/nestjs, 9 November 2026.