CVE-2026-56698

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 fail to validate script-capable URLs in the navigateTo open option, allowing client-side script execution. Attackers can supply javascript: URLs through the open parameter to execute arbitrary scripts in the application's origin when...

CVE-2026-56698

Nuxt CVE-2026-56698 affects Nuxt 4.0.0–4.4.6 and 3.x up to 3.21.6 (versions before the fixed releases). The navigateTo open option fails to validate script-capable URLs, allowing attacker-controlled javascript: URLs to execute arbitrary scripts in the application's origin when user input is passe...

Nuxt: URL-handling weaknesses in `navigateTo` and `reloadNuxtApp`: SSR open redirect, client-side script execution via the `open` option, and protocol-relative bypass in `reloadNuxtApp`

Summary Three weaknesses in Nuxt's client-navigation URL handling, all reachable from documented public APIs navigateTo and reloadNuxtApp: 1. SSR open redirect in navigateTo via path-normalisation bypass. navigateTo decided whether a target was external by inspecting the raw input with...