CVE-2026-90982

A flaw was found in @fastify/static, a Fastify plugin for serving static files. On case-insensitive filesystems, such as Windows or default macOS volumes, a route guard or allowedPath restriction can be bypassed. This occurs because the route matcher is case-sensitive while the filesystem is not,...

Improper Handling of Case Sensitivity

Overview @fastify/static is a Plugin for serving static files as fast as possible. Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity via the route matching process. An attacker can access protected files by altering the letter case of a path segment in a...

CVE-2026-90982

@fastify/static is a Fastify plugin that serves static files from a configured root directory. In versions before 10.1.4, on a case-insensitive filesystem such as Windows or the default macOS volume, a route guard or allowedPath restriction can be bypassed by altering the letter case of a path...

EUVD-2026-81383

@fastify/static is a Fastify plugin that serves static files from a configured root directory. In versions before 10.1.4, on a case-insensitive filesystem such as Windows or the default macOS volume, a route guard or allowedPath restriction can be bypassed by altering the letter case of a path...

PT-2026-94186

Name of the Vulnerable Software and Affected Versions @fastify/static versions prior to 10.1.4 Description On case-insensitive filesystems, such as Windows or default macOS volumes, a route guard or allowedPath restriction can be bypassed by altering the letter case of a path segment. This occurs...

EUVD-2026-47870

@fastify/static vulnerable to Authorization Bypass via Non-Canonical URL Paths...

CVE-2026-7120 @fastify/static vulnerable to Authorization Bypass via Non-Canonical URL Paths

@fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separators in the pathname used for file resolution. Versions up to and including 10.1.1 are affected. An unauthenticated attacker can bypass allowedPath restrictions by requesting equivalent...

CVE-2026-7120: Incorrect Behavior Order: Validate Before Canonicalize

@fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separators in the pathname used for file resolution. Versions up to and including 10.1.1 are affected. An unauthenticated attacker can bypass allowedPath restrictions by requesting equivalent...