{"id":"CVE-2026-56697","published":"2026-06-22T21:04:53Z","modified":"2026-06-23T13:51:01Z","title":"Nuxt - Open Redirect via Protocol-Relative Paths in reloadNuxtApp","vendor":"Nuxt","product":"Nuxt","tier":"tail","description":{"text":"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.","provenance":"source","from":"CVE.org"},"cvss":{"score":6.1,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00337,"percentile":0.26995,"provenance":"source"},"cwes":[{"id":"CWE-601","name":"URL Redirection to Untrusted Site"}],"references":[{"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3","tags":["vendor-advisory"]},{"url":"https://github.com/nuxt/nuxt/commit/e447a793c47766834f7497f8412a76cd56fd8ee1","tags":["patch"]},{"url":"https://github.com/nuxt/nuxt/commit/6497d99dd106254abd089f6a263d7773869a343b","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/nuxt-open-redirect-via-protocol-relative-paths-in-reloadnuxtapp","tags":["third-party-advisory"]}],"priority":{"score":9.7,"factors":[{"name":"EPSS percentile","points":5.4},{"name":"CVSS severity","points":4.27}]},"vendorSlug":"nuxt","affectedVersions":[{"vendor":"Nuxt","product":"Nuxt","versions":[">= 4.0.0, < 4.4.7"]},{"vendor":"Nuxt","product":"Nuxt","versions":["< 3.21.7"]}],"euvd":{"id":"EUVD-2026-38378","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-nuxt-cve-2026-56326","parents":[{"from":"CVE-2026-56326","to":"CVE-2026-56697","relation":"related","confidence":"high","kind":"lineage","evidence":[{"kind":"osv-related","provenance":"source","id":"GHSA-c9cv-mq2m-ppp3","via":"reference","url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3"},{"kind":"similar","provenance":"machine","score":0.43,"basis":"same product + CWE + description similarity"}]}]}}