{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120309", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-01T12:48:05.669Z", "datePublished": "2026-11-02T02:01:09.557Z", "dateUpdated": "2026-11-02T02:01:09.557Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-02T02:01:09.557Z"}, "datePublic": "2026-10-16T00:00:00.000Z", "title": "Nuxt 4.6.0 before 4.6.2 Route Param Confusion via getRouterParam", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Interpretation Conflict", "cweId": "CWE-436", "type": "CWE"}]}], "affected": [{"vendor": "nuxt", "product": "nuxt", "defaultStatus": "unaffected", "packageURL": "pkg:npm/nuxt", "versions": [{"version": "4.6.0", "status": "affected", "versionType": "semver", "lessThan": "4.6.2"}, {"version": "4.6.2", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "nuxt", "product": "nuxt", "defaultStatus": "unaffected", "packageURL": "pkg:npm/%40nuxt/nitro-server", "versions": [{"version": "4.6.0", "status": "affected", "versionType": "semver", "lessThan": "4.6.2"}, {"version": "4.6.2", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6.0", "versionEndExcluding": "4.6.2"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nuxt:nuxt\\/nitro-server:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6.0", "versionEndExcluding": "4.6.2"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-w7gw-66vg-99gq", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-w7gw-66vg-99gq)"}, {"name": "VulnCheck Advisory: Nuxt 4.6.0 before 4.6.2 Route Param Confusion via getRouterParam", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/nuxt-4.6.0-before-4.6.2-route-param-confusion-via-getrouterparam"}], "credits": [{"lang": "en", "value": "seslo82", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}