@adbl/cartridge (>=0.0.3, <=0.0.5), @agrume/cli (3.0.0) +31 more potentially affected by CVE-2026-6556 via @fastify/express (>=1.1.0, <=4.0.5)

@fastify/express NPM version =1.1.0, =0.0.3, =2.0.0-beta.0, =8.0.0, =3.0.0-alpha-1, =0.29.0, =1.0.0-alpha.1, =1.0.0-beta-cloud-customizer.1, =1.0.0, =0.0.0-canary-20250922152503, =0.0.0-canary-20250922152503, =0.0.0-canary-20251023225836, =2.4.1-beta.1, =1.0.0, =1.6.0 and more Source cves:...

EUVD-2026-40309

@fastify/express versions 4.0.6 and earlier only rewrite the plugin prefix for middleware mount paths when the path argument is a string. Non-string mount paths arrays of paths and regular expressions are left unprefixed inside prefixed plugin scopes, so middleware registered with those forms doe...

CVE-2026-6556 @fastify/express vulnerable to middleware bypass via non-string mount paths in prefixed plugins

@fastify/express versions 4.0.6 and earlier only rewrite the plugin prefix for middleware mount paths when the path argument is a string. Non-string mount paths arrays of paths and regular expressions are left unprefixed inside prefixed plugin scopes, so middleware registered with those forms doe...

CVE-2026-6556

@fastify/express versions 4.0.6 and earlier only rewrite the plugin prefix for middleware mount paths when the path argument is a string. Non-string mount paths arrays of paths and regular expressions are left unprefixed inside prefixed plugin scopes, so middleware registered with those forms doe...

CVE-2026-6556: Improper Authorization

@fastify/express versions 4.0.6 and earlier only rewrite the plugin prefix for middleware mount paths when the path argument is a string. Non-string mount paths arrays of paths and regular expressions are left unprefixed inside prefixed plugin scopes, so middleware registered with those forms doe...

PT-2026-53878

Name of the Vulnerable Software and Affected Versions @fastify/express versions prior to 4.0.7 Description A middleware scoping flaw exists where plugin prefixes are not applied to middleware mount paths when the mount path is provided as an array or a regular expression. This occurs due to...

CVE-2026-54281

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

@anchan828/nest-redis-session-fastify (>=0.0.46, <=0.0.86), @andreacioni/saml2-nest-lib (0.0.7) +221 more potentially affected by CVE-2026-54281 via @nestjs/platform-fastify (>=6.5.2, <=11.1.23)

@nestjs/platform-fastify NPM version =6.5.2, =0.0.46, =0.0.5, =1.0.0, =2.0.0, =0.0.1, =0.0.1, =4.23.1, =2.7.0, =6.3.1, =1.0.0, =1.0.0, =1.0.2 - @chisquare/ntx-core 0.0.1 and more Source cves: CVE-2026-54281 Source advisory: MEND:CVE-2026-54281...

CVE-2026-54281 Nest: Middleware Bypass on Fastify via Trailing Slash

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

CVE-2026-54281 Nest: Middleware Bypass on Fastify via Trailing Slash

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

CVE-2026-54281 Nest: Middleware Bypass on Fastify via Trailing Slash

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

CVE-2026-54281

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

CVE-2026-54281

The CVE concerns NestJS with the Fastify adapter: an authentication bypass exists in @nestjs/platform-fastify before version 11.1.24 when middleware is registered via MiddlewareConsumer.forRoutes(). A trailing slash on the request URL can bypass route-specific Nest middleware on the default Fasti...

EUVD-2026-38398

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

CVE-2026-54281: Incorrect Authorization

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.24, an authentication bypass vulnerability exists in @nestjs/platform-fastify. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated clien...

Malicious code in @mastra/fastify (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1ba29e7c4e2320b4f5852c18ded92c92021cfbc47d5bf8146b1a93ffa58260c7 The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...

MAL-2026-5949 Malicious code in @mastra/fastify (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1ba29e7c4e2320b4f5852c18ded92c92021cfbc47d5bf8146b1a93ffa58260c7 The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...

Authentication Bypass

@nestjs/platform-fastify is vulnerable to Authentication Bypass. The vulnerability is due to improper route matching between Fastify and NestJS middleware registered through MiddlewareConsumer.forRoutes, which allows an attacker to bypass authentication middleware by appending a trailing slash / ...

@bechara/crux (>=6.0.0-alpha.1, <=6.6.2), @dismissible/nestjs-api (>=1.0.3-alpha.0b30e6d.0, <=2.0.2-canary.2913ba8.0) +8 more potentially affected by CVE-2026-54281 via @nestjs/platform-fastify (>=11.0.1, <=11.1.23)

@nestjs/platform-fastify NPM version =11.0.1, =6.0.0-alpha.1, =1.0.3-alpha.0b30e6d.0, =1.0.11, =0.1.51, =1.0.36, =1.3.0, =2.6.18, =5.0.0-beta.36, =0.6.1-dev, =0.1.0, =1.2.3 Source cves: CVE-2026-54281 Source advisory: GHSA-6V32-FJC9-9QF6...

@bechara/crux (>=6.0.0-alpha.1, <=6.6.2), @dismissible/nestjs-api (>=1.0.3-alpha.0b30e6d.0, <=2.0.2-canary.2913ba8.0) +8 more potentially affected by CVE-2026-54281 via @nestjs/platform-fastify (>=11.0.1, <=11.1.23)

@nestjs/platform-fastify NPM version =11.0.1, =6.0.0-alpha.1, =1.0.3-alpha.0b30e6d.0, =1.0.11, =0.1.51, =1.0.36, =1.3.0, =2.6.18, =5.0.0-beta.36, =0.6.1-dev, =0.1.0, =1.2.3 Source cves: CVE-2026-54281 Source advisory: OSV:GHSA-6V32-FJC9-9QF6...