CVE-2026-119199

Nuxt is an open-source web development framework for Vue.js. From 3.0.0 until 4.6.3, the Nuxt development server can expose the Nitro 2 development bundle at <buildDir>/dev/index.mjs through Vite file serving when the server is reachable over HTTP. Nitro inlines private runtimeConfig values resolved at build time into that bundle, including secrets configured in nuxt.config, and Nuxt 4.6.0 and later also inline the generated development appSecret. The default localhost binding limits remote exposure, production builds and Nitro 3 are not affected, and runtime configuration supplied only through NUXT_* environment variables at server startup is not inlined. This issue is fixed in version 4.6.3.

• CWE-200
• CWE-538

• https://github.com/nuxt/nuxt/commit/12b58f9d8768682611c3ad4ea4d403875129dbca
• https://github.com/nuxt/nuxt/releases/tag/v4.6.3
• https://github.com/nuxt/nuxt/security/advisories/GHSA-648h-gw55-m2g7

Published

Oct 29, 2026

Last Modified

Oct 30, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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