CVE-2026-18427

A flaw was found in @fastify/static. An unauthenticated attacker can bypass route-based guards by using non-canonical path segments in a request. This allows the attacker to access and disclose the contents of files that should be protected by these guards. The vulnerability stems from the static...

@appweaver/core (>=1.1.6, <=1.4.1), @cappa/cli (>=0.11.1, <=0.12.0) +33 more potentially affected by CVE-2026-18427 via @fastify/static (>=10.1.0, <=10.1.2)

@fastify/static NPM version =10.1.0, =1.1.6, =0.11.1, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =7.0.0-canary.3011, =0.0.4, =0.0.6 - @darthcav/ts-http-server 0.9.1 -...

Directory Traversal

Overview @fastify/static is a Plugin for serving static files as fast as possible. Affected versions of this package are vulnerable to Directory Traversal via the static file handler process. An attacker can access protected files by submitting requests with non-canonical path segments, such as d...

CVE-2026-18427 @fastify/static vulnerable to route guard bypass via non-canonical path segments

@fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass. The static file handler rejected only parent directory segments, but it did not canonicalize dot segments, duplicate slashes, encoded dots, or backslashes before route matching and before delegatin...

CVE-2026-18427 @fastify/static vulnerable to route guard bypass via non-canonical path segments

@fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass. The static file handler rejected only parent directory segments, but it did not canonicalize dot segments, duplicate slashes, encoded dots, or backslashes before route matching and before delegatin...

EUVD-2026-54086

@fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass. The static file handler rejected only parent directory segments, but it did not canonicalize dot segments, duplicate slashes, encoded dots, or backslashes before route matching and before delegatin...

CVE-2026-18427 @fastify/static vulnerable to route guard bypass via non-canonical path segments

@fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass. The static file handler rejected only parent directory segments, but it did not canonicalize dot segments, duplicate slashes, encoded dots, or backslashes before route matching and before delegatin...

CVE-2026-18427

CVE-2026-18427 affects @fastify/static prior to version 10.1.3. The patch left gaps in path canonicalization: dot segments, encoded dots, duplicate slashes, and backslashes were not normalized before route matching or serving, enabling an unauthenticated bypass of route-based guards for a protect...

CVE-2026-18427: Improper Limitation of a Pathname to a Restricted Directory

@fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass. The static file handler rejected only parent directory segments, but it did not canonicalize dot segments, duplicate slashes, encoded dots, or backslashes before route matching and before delegatin...

Malicious code in fastify-client-bundler (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 370379b65a0c7e31b5bf43362a0c1fa1312f9a458a7af9a4a3d95892dc2a6935 index.js the package main defines a getPlugin function that fetches JSON from a hardcoded bare-IP HTTPS endpoint at 31.97.137.157:45000 and compiles...

CLSA-2026-1773620080 TuxCare security update for fastify (2 CVEs)

TuxCare rebuilt fastify to address 2 CVEs. Fixed in 3.29.5-tuxcare.3...

CLSA-2026-1772669615 TuxCare security update for fastify (2 CVEs)

TuxCare rebuilt fastify to address 2 CVEs. Fixed in 4.29.1-tuxcare.1...

CVE-2026-18248

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...

EUVD-2026-52329

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...

CVE-2026-18248 @fastify/aws-lambda vulnerable to Lambda event spoofing via client-controlled x-apigateway-event header

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...

CVE-2026-18248 @fastify/aws-lambda vulnerable to Lambda event spoofing via client-controlled x-apigateway-event header

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...

CVE-2026-18248

CVE-2026-18248 affects @fastify/aws-lambda 6.4.0, where request.awsLambda.event and request.awsLambda.context are decorated using client-controlled x-apigateway-event and x-apigateway-context headers. The getter may read untrusted headers before the internal per-invocation token, leaving reserved...

CVE-2026-18248 @fastify/aws-lambda vulnerable to Lambda event spoofing via client-controlled x-apigateway-event header

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...

CVE-2026-18248

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...

CVE-2026-18248: Insufficient Verification of Data Authenticity

@fastify/aws-lambda version 6.4.0 decorates each Fastify request with request.awsLambda.event and request.awsLambda.context, values that applications are documented to use for authorization decisions such as reading API Gateway authorizer claims. In the default configuration, the getter that...