CVE-2026-56697

Description

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 accept protocol-relative paths such as //evil.com in the reloadNuxtApp function; these pass the script-protocol check but resolve to a cross-origin URL against the current page protocol. Attackers can inject paths like //evil.com to redirect users to attacker-controlled hosts, enabling phishing and OAuth authorization-code theft.

References

• https://github.com/nuxt/nuxt/commit/6497d99dd106254abd089f6a263d7773869a343b
• https://github.com/nuxt/nuxt/commit/e447a793c47766834f7497f8412a76cd56fd8ee1
• https://github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3
• https://www.vulncheck.com/advisories/nuxt-open-redirect-via-protocol-relative-paths-in-reloadnuxtapp