Open Redirect in Nuxt
CVE-2026-56326
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Nuxt — versions 4.0.0, 4.4.7, 0
Weakness classification (CWE)
References
- github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3 (vendor-advisory, Third Party Advisory)
- github.com/nuxt/nuxt/commit/2cce6fb02e621196d56df92e05594e07469b5a6d (Patch, patch)
- github.com/nuxt/nuxt/commit/1f2dd5e78c77576437138e97671965573c232835 (Patch, patch)
- www.vulncheck.com/advisories/nuxt-server-side-open-redirect-via-path-normalizat… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-56326?
- CVE-2026-56326 is a medium-severity vulnerability in Nuxt, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-06-22.
- How severe is CVE-2026-56326?
- Medium severity. CVSS v3 base score is 6.1 out of 10.