CVE-2026-49993

Description

Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.7 and 4.4.7.

PUBLISHED Reserved 2026-06-02 | Published 2026-06-12 | Updated 2026-06-12 | Assigner GitHub_M

Problem types

CWE-749: Exposed Dangerous Method or Function

Product status

References

github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g exploit

github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5 exploit

github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5

github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g

github.com/nuxt/nuxt/pull/35200

github.com/...ommit/77187ee4015e9267fb464951542a3e09e8b5fa05

github.com/...ommit/e351de943e82db16970618b60dc7fdbaa58630f3

cve.org (CVE-2026-49993)

nvd.nist.gov (CVE-2026-49993)

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