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...

EUVD-2026-47870

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

GHSA-8PVW-JCV7-9CMJ @fastify/static vulnerable to Authorization Bypass via Non-Canonical URL Paths

Impact @fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate slashes in the pathname used for file resolution. Non-canonical pathnames such as //file, /./file, or /public/../private/file bypass allowedPath filtering while resolving to the intended file o...

@cognidesk/integration-ticketing-servicenow (>=0.0.4, <=0.0.6), @darthcav/ts-http-server (0.9.1) +16 more potentially affected by CVE-2026-7120 via @fastify/static (>=10.1.0, <=10.1.1)

@fastify/static NPM version =10.1.0, =0.0.4, =0.7.1, =3.1.17, =1.3.8, =4.11.0, =4.11.0, =4.11.0, =4.11.0, =4.11.0, =5.1.0, =6.5.2, =4.6.0, =4.8.4 and more Source cves: CVE-2026-7120 Source advisory: OSV:GHSA-8PVW-JCV7-9CMJ...

@cognidesk/integration-ticketing-servicenow (>=0.0.4, <=0.0.6), @darthcav/ts-http-server (0.9.1) +16 more potentially affected by CVE-2026-7120 via @fastify/static (>=10.1.0, <=10.1.1)

@fastify/static NPM version =10.1.0, =0.0.4, =0.7.1, =3.1.17, =1.3.8, =4.11.0, =4.11.0, =4.11.0, =4.11.0, =4.11.0, =5.1.0, =6.5.2, =4.6.0, =4.8.4 and more Source cves: CVE-2026-7120 Source advisory: GHSA-8PVW-JCV7-9CMJ...

GHSA-83W8-P2F5-377R @fastify/static vulnerable to route guard bypass via path traversal

Impact @fastify/static is vulnerable to a bypass of route-based middleware and guards via non-leading .. and %2E%2E path segments. find-my-way does not normalize .. when matching routes, so a request such as /foo/../deep/secret.txt matches the static plugin's catch-all instead of the guarded...

@fastify/static vulnerable to route guard bypass via path traversal

Impact @fastify/static is vulnerable to a bypass of route-based middleware and guards via non-leading .. and %2E%2E path segments. find-my-way does not normalize .. when matching routes, so a request such as /foo/../deep/secret.txt matches the static plugin's catch-all instead of the guarded...

EUVD-2026-47871

@fastify/static vulnerable to route guard bypass via path traversal...

@darthcav/ts-http-server (0.9.1), @digitalpaws/starr (0.0.2) +5 more potentially affected by CVE-2026-15074 via @fastify/static (10.1.0)

@fastify/static NPM version 10.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fastify/static and may be impacted: - @darthcav/ts-http-server 0.9.1 - @digitalpaws/starr 0.0.2 - @node-cli/static-server =3.1.17, =9.0.0-canary.19, =9.0.2 -...

@darthcav/ts-http-server (0.9.1), @digitalpaws/starr (0.0.2) +5 more potentially affected by CVE-2026-15074 via @fastify/static (10.1.0)

@fastify/static NPM version 10.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fastify/static and may be impacted: - @darthcav/ts-http-server 0.9.1 - @digitalpaws/starr 0.0.2 - @node-cli/static-server =3.1.17, =9.0.0-canary.19, =9.0.2 -...

@darthcav/ts-http-server (0.9.1), @digitalpaws/starr (0.0.2) +5 more potentially affected by CVE-2026-15074 via @fastify/static (10.1.0)

@fastify/static NPM version 10.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on @fastify/static and may be impacted: - @darthcav/ts-http-server 0.9.1 - @digitalpaws/starr 0.0.2 - @node-cli/static-server =3.1.17, =9.0.0-canary.19, =9.0.2 -...

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 through getPathnameForSend in index.js. An attacker can reach static files protected by route-based middleware or guards by sending a request...

Incorrect Behavior Order: Validate Before Canonicalize

Overview @fastify/static is a Plugin for serving static files as fast as possible. Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize via non-canonical URL path handling in the allowedPath check in index.js. An attacker can bypass file/subtr...

@cognidesk/integration-ticketing-servicenow (>=0.0.4, <=0.0.6), @darthcav/ts-http-server (0.9.1) +16 more potentially affected by CVE-2026-7120 via @fastify/static (>=10.1.0, <=10.1.1)

@fastify/static NPM version =10.1.0, =0.0.4, =0.7.1, =3.1.17, =1.3.8, =4.11.0, =4.11.0, =4.11.0, =4.11.0, =4.11.0, =5.1.0, =6.5.2, =4.6.0, =4.8.4 and more Source cves: CVE-2026-7120 Source advisory: SNYK:JS-FASTIFYSTATIC-18233800...

CVE-2026-7120

@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-2026-15074

@fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot...

CVE-2026-15074

@fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot...

CVE-2026-15074

The CVE-2026-15074 issue affects @fastify/static up to and including version 10.1.0, which fails to reject dot-dot path segments in request pathnames before file resolution. This bypasses the earlier fix for CVE-2026-6414 (encoded slashes only) because the underlying send library normalizes dot s...

CVE-2026-15074 @fastify/static vulnerable to route guard bypass via path traversal

@fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot...

CVE-2026-15074 @fastify/static vulnerable to route guard bypass via path traversal

@fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot...