{"schema_version":"1.9.0","id":"GHSA-f87g-xv8r-7p7x","published":"2026-10-07T20:31:33Z","modified":"2026-10-07T20:45:04.338515172Z","aliases":["CVE-2026-94485"],"summary":"Next.js has information disclosure in App Router metadata image routes via dynamicParams bypass","details":"In Next.js App Router applications built with webpack, metadata image routes such as opengraph-image and twitter-image ignore the `dynamicParams` route segment option. An attacker can request metadata image URLs for dynamic segments that were deliberately excluded from `generateStaticParams()`.","affected":[{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"16.0.0"},{"fixed":"16.3.8"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-f87g-xv8r-7p7x/GHSA-f87g-xv8r-7p7x.json"}}],"references":[{"type":"WEB","url":"https://github.com/vercel/next.js/security/advisories/GHSA-f87g-xv8r-7p7x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94485"},{"type":"WEB","url":"https://github.com/vercel/next.js/commit/2d9f50a409312696145b82b3157aadb6b1fef476"},{"type":"PACKAGE","url":"https://github.com/vercel/next.js"},{"type":"WEB","url":"https://github.com/vercel/next.js/releases/tag/v16.3.8"}],"database_specific":{"cwe_ids":["CWE-346"],"github_reviewed":true,"github_reviewed_at":"2026-10-07T20:31:33Z","nvd_published_at":"2026-10-02T16:16:51Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}