{"id":"CVE-2026-56326","published":"2026-06-22T21:04:50Z","modified":"2026-06-23T12:12:14Z","title":"Nuxt - Server-Side Open Redirect via Path-Normalization Bypass in navigateTo","vendor":"Nuxt","product":"Nuxt","tier":"tail","description":{"text":"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.","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":0.00362,"percentile":0.29864,"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/2cce6fb02e621196d56df92e05594e07469b5a6d","tags":["patch"]},{"url":"https://github.com/nuxt/nuxt/commit/1f2dd5e78c77576437138e97671965573c232835","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/nuxt-server-side-open-redirect-via-path-normalization-bypass-in-navigateto","tags":["third-party-advisory"]}],"priority":{"score":10.2,"factors":[{"name":"EPSS percentile","points":5.97},{"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"]}],"affected":[{"ecosystem":"npm","package":"nuxt","vulnerableRanges":[">=4.0.0, <4.4.7",">=3.5.0, <3.21.7"],"patched":["4.4.7","3.21.7"],"from":["GHSA-c9cv-mq2m-ppp3"],"provenance":"source"}],"euvd":{"id":"EUVD-2026-38375","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-nuxt-cve-2026-56326","children":[{"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"}]},{"from":"CVE-2026-56326","to":"CVE-2026-56698","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"}]}]}}