CVE-2026-128071

Nuxt: Incomplete fix for GHSA-6gq8-jgmh-3ffp: an encoded slash (`%2F`) in the request path bypasses route rules on catch-all page routes

  • Medium 6.5

Description

Nuxt is an open-source web development framework for Vue.js. Nuxt from 3.0.0 until 4.6.4, @nuxt/nitro-server from 3.20.0 until 4.6.4, and @nuxt/vite-server from 4.6.0 until 4.6.4, routeRules matching leaves an encoded slash (%2F) in the request path while a catch-all page such as app/pages/[...slug].vue or a custom multi-segment page route decodes it into a route parameter. The getRouteRules result is therefore incomplete, and an unauthenticated request can render the page without the redirect, headers, proxy, SSR, noScripts, appMiddleware, or appLayout rules configured for the decoded path. Protected content is resolved only when the page interprets the decoded parameter accordingly: a custom multi-segment parameter can contain the decoded path, while a repeatable catch-all must join the slash-containing array element; route.path remains encoded and does not resolve that resource. Static pages, single-segment parameters, server/api handlers, and server/routes handlers are not affected because they do not have the same encoded-path mismatch. This issue is fixed in version 4.6.4.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
GitHub_M
EPSS
0.268% likely to be exploited in the next 30 days, higher than 19.115% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 6.5CVSS 3.1, Mediumfrom the CNA (GitHub_M)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
nuxtnuxt
  • >= 3.0.0, < 4.6.4 (affected)
@nuxtnitro-server
  • >= 3.20.0, < 4.0.0 (affected)
  • >= 4.2.0, < 4.6.4 (affected)
@nuxtvite-server
  • >= 4.6.0, < 4.6.4 (affected)

Timeline

  1. 13 Nov 2026 Published

Weakness

References