{"id":"CVE-2026-64642","revision":"ba5eaab517094245ae67549584bd4a7e","records":[{"revision":"ba5eaab517094245ae67549584bd4a7e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-64642","aliases":[],"title":"Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale","description":"Next.js is a React framework for building full-stack web applications. In versions 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router built with Turbopack and a single entry in config.i18n.locales can bypass middleware/proxy based authentication. This issue has been fixed in version 16.2.11.","state":0,"publishedAt":"2026-07-27T17:45:40.761+00:00","modifiedAt":"2026-07-28T15:20:33.639+00:00","affected":[{"ecosystem":"Vendor product","name":"next.js","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vercel\",\n                    \"product\": \"next.js\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 16.0.0, < 16.2.11\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","score":8.3,"severity":"HIGH"}],"references":["https://github.com/vercel/next.js/security/advisories/GHSA-6gpp-xcg3-4w24","https://github.com/vercel/next.js/pull/96014","https://github.com/vercel/next.js/commit/6bf4df14508ad6c0cd46af50c6051ee42f2d9151","https://github.com/vercel/next.js/releases/tag/v16.2.11"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64642","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-64642","identifiers":["CVE-2026-64642"]},"retained":false,"historicalAffected":[]}],"coverage":[]}