Nuxt: Incomplete fix for CVE-2026-119200: a leading `//` in the request path bypasses `server/middleware` path checks and server route rules on page routes

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-128077
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-13 18:17:37 UTC
Updated2026-11-13 18:17:37 UTC
DescriptionNuxt is an open-source web development framework for Vue.js. From 4.6.0 until 4.6.4, Nuxt parses a request path beginning with // as a URL host before rendering a page, while Nitro server/middleware and routeRules continue to evaluate the original path. An unauthenticated request such as //x/admin can therefore resolve to the /admin page without route-scoped serverHandlers, server/middleware path checks, redirects, or security headers configured for /admin. API handlers in server/api and server/routes, appMiddleware, page middleware are unaffected. This issue is fixed in version 4.6.4.

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-436 | CWE-863 | 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, < 4.6.4 Not specified
CNA @nuxt Nitro-server affected >= 4.6.0, < 4.6.4 Not specified

References

ReferenceSourceLinkTags
github.com/nuxt/nuxt/releases/tag/v4.6.4 [email protected] github.com
github.com/nuxt/nuxt/commit/75c12c6fb4c22ec2cbde0051da24776d2dffa868 [email protected] github.com
github.com/nuxt/nuxt/security/advisories/GHSA-r99w-jh2x-3mg9 [email protected] github.com
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