CVE-2026-49993

medium

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.

References

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

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

https://github.com/nuxt/nuxt/pull/35200

https://github.com/nuxt/nuxt/commit/e351de943e82db16970618b60dc7fdbaa58630f3

https://github.com/nuxt/nuxt/commit/77187ee4015e9267fb464951542a3e09e8b5fa05

Details

Source: Mitre, NVD

Published: 2026-06-12

Updated: 2026-06-12

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 5.9

Vector: CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00024