CVE-2026-120309
Nuxt 4.6.0 before 4.6.2 Route Param Confusion via getRouterParam
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-436 |
| Vendor | nuxt |
| Product | nuxt |
| Published | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
nuxt / nuxt
4.6.0 < 4.6.2
nuxt / nuxt
4.6.0 < 4.6.2
References
Credits
🔍 seslo82