{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"nuxt","product":"nuxt","source":"CNA: VulnCheck","vendor":"nuxt","versions":[{"lessThan":"4.6.2","status":"affected","version":"4.6.0","versionType":"semver"},{"status":"unaffected","version":"4.6.2","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"%40nuxt/nitro-server","product":"nuxt","source":"CNA: VulnCheck","vendor":"nuxt","versions":[{"lessThan":"4.6.2","status":"affected","version":"4.6.0","versionType":"semver"},{"status":"unaffected","version":"4.6.2","versionType":"semver"}]}],"cveId":"CVE-2026-120309","cwes":["CWE-436"],"description":"Nuxt from 4.6.0 before 4.6.2 contains a route parameter confusion vulnerability in getRouterParam and getRouterParams that lets attackers return a parameter value different from the one h3 matched by sending paths containing an encoded question mark (%3F). Attackers can craft requests where authorization checks use the Nuxt helper value while resource selection uses event.context.params, allowing access to unauthorized resources.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":3.7,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}],"modifiedAt":1793584869557,"publishedAt":1793584869557,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-w7gw-66vg-99gq"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nuxt-4.6.0-before-4.6.2-route-param-confusion-via-getrouterparam"}],"remediation":[],"revision":"a32240470973251e52ee15a01bd4f50990b6916556e6e1e3039b7e619a16d7dc","sources":[{"modifiedAt":1793584869557,"name":"CNA: VulnCheck","retrievedAt":1793588909017,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120309"}],"ssvc":null,"status":"published","title":"Nuxt 4.6.0 before 4.6.2 Route Param Confusion via getRouterParam","updatedAt":1793588909017}