CVE-2026-56326 Nuxt - Server-Side Open Redirect via Path-Normalization Bypass in navigateTo

Medium 5.3 Published Updated

Attackers can bypass host checks to redirect users to malicious sites, enabling phishing and OAuth token theft in Nuxt applications.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-56326?

CVE-2026-56326 is a medium-severity vulnerability in Nuxt, published on 22 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 contain a server-side open redirect vulnerability in navigateTo that fails to properly validate path-normalized payloads like /..//evil.com and /.//evil.com. Attackers can bypass external-host checks using path-normalization techniques to redirect users to attacker-controlled sites via the Location header or meta-refresh, enabling phishing and OAuth authorization-code theft.

Weakness: CWE-601

Which versions are affected by CVE-2026-56326?

It affects 1 product.

Products include Nuxt Nuxt.

How do I fix CVE-2026-56326?

Upgrade to a fixed version.

Is CVE-2026-56326 being exploited?

There is no known exploitation of CVE-2026-56326 in the wild and no public exploit code.

Sources

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