Low 3.7Published Nov 1, 2026

CVE-2026-120309Nuxt 4.6.0 before 4.6.2 Route Param Confusion via getRouterParam

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-436
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Received
Record last updated: Nov 1, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

nuxt nuxt nuxt:nuxt (from the name)	from 4.6.0 before 4.6.2; 4.6.2 not affected	CNA record

References

References

https://github.com/nuxt/nuxt/security/advisories/GHSA-w7gw-66vg-99gq	vendor-advisory
https://www.vulncheck.com/advisories/nuxt-4.6.0-before-4.6.2-route-param-confusion-via-getrouterparam	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.