CVE-2026-119200

Nuxt: Dot segments in the request path bypass `server/middleware` path checks and server route rules on page routes

publishedCWE-41CWE-436CWE-863

Nuxt is an open-source web development framework for Vue.js. From 4.6.0 until 4.6.3, Nuxt resolves literal or percent-encoded dot segments before rendering a page while Nitro routing, server/middleware checks, and server route rules evaluate the unresolved path. A request such as /%2e/admin can therefore render app/pages/admin.vue and its server-rendered data while checks keyed to /admin, redirects, or per-route security headers do not apply. API handlers, appMiddleware, Nuxt 3, and Nuxt 4.0.0 through 4.5.x are not affected, and exploitation requires a client that sends dot segments without browser normalization. This issue is fixed in version 4.6.3.

Technical severity6.5 mediumCVSS 3.1 · CNA: GitHub_M

Published2026-10-29Source updated 2026-11-04

Collected2026-11-043 attributed sources

Fixes and workarounds

Fix

nuxt (npm): OSV reports a fixed version 4.6.3. Check the advisory for supported release branches.

Source: OSV GHSA-9v7c-q64q-vv33

Fix

@nuxt/nitro-server (npm): OSV reports a fixed version 4.6.3. Check the advisory for supported release branches.

Source: OSV GHSA-9v7c-q64q-vv33

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
nuxt nuxt	>= 4.6.0, < 4.6.3 (affected)	CNA: GitHub_M
nitro-server @nuxt	>= 4.6.0, < 4.6.3 (affected)	CNA: GitHub_M
nuxt `nuxt` npm	≥ 4.6.0; < 4.6.3 (affected, semver); OSV events: introduced 4.6.0; fixed 4.6.3 Source events (semver) `[ { "introduced": "4.6.0" }, { "fixed": "4.6.3" } ]` Other versions: unaffected	OSV GHSA-9v7c-q64q-vv33
@nuxt/nitro-server `@nuxt/nitro-server` npm	≥ 4.6.0; < 4.6.3 (affected, semver); OSV events: introduced 4.6.0; fixed 4.6.3 Source events (semver) `[ { "introduced": "4.6.0" }, { "fixed": "4.6.3" } ]` Other versions: unaffected	OSV GHSA-9v7c-q64q-vv33

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
3.1 / 6.5 medium	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`	CNA: GitHub_M

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

https://github.com/nuxt/nuxt/security/advisories/GHSA-9v7c-q64q-vv33CNA: GitHub_M · x_refsource_CONFIRM
https://github.com/nuxt/nuxt/commit/45463f8b58487e387149ebfb704d6a0834b3a450CNA: GitHub_M · x_refsource_MISC
https://github.com/nuxt/nuxt/releases/tag/v4.6.3CNA: GitHub_M · x_refsource_MISC
https://github.com/advisories/GHSA-9v7c-q64q-vv33OSV / GitHub Security Advisories · advisory
https://osv.dev/vulnerability/GHSA-9v7c-q64q-vv33OSV / GitHub Security Advisories · osv

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