Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nuxt | Nuxt | >= 3.0.0, < 3.21.7 |
Related Weaknesses (CWE)
References
- https://github.com/nuxt/nuxt/commit/1f2dd5e78c77576437138e97671965573c232835Patch
- https://github.com/nuxt/nuxt/commit/2cce6fb02e621196d56df92e05594e07469b5a6dPatch
- https://github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3Third Party Advisory
- https://www.vulncheck.com/advisories/nuxt-server-side-open-redirect-via-path-norThird Party Advisory
FAQ
What is CVE-2026-56326?
CVE-2026-56326 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 /...
How severe is CVE-2026-56326?
CVE-2026-56326 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56326?
Check the references section above for vendor advisories and patch information. Affected products include: Nuxt Nuxt.