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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-119200
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-29 21:17:18 UTC
Updated2026-10-29 21:17:18 UTC
DescriptionNuxt 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem Types: CWE-41 | CWE-436 | CWE-863 | CWE-41 CWE-41: Improper Resolution of Path Equivalence | CWE-436 CWE-436: Interpretation Conflict | CWE-863 CWE-863: Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nuxt Nuxt affected >= 4.6.0, < 4.6.3 Not specified
CNA @nuxt Nitro-server affected >= 4.6.0, < 4.6.3 Not specified

References

ReferenceSourceLinkTags
github.com/nuxt/nuxt/security/advisories/GHSA-9v7c-q64q-vv33 [email protected] github.com
github.com/nuxt/nuxt/commit/45463f8b58487e387149ebfb704d6a0834b3a450 [email protected] github.com
github.com/nuxt/nuxt/releases/tag/v4.6.3 [email protected] github.com
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