Next.js has information disclosure in App Router metadata image routes via dynamicParams bypass
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()`.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-94485US | medium5.3 | — | ||
Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, the `next dev` development server exposes a Model Context Protocol endpoint without… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/vercel/next.jsPACKAGE
- https://github.com/vercel/next.js/commit/2d9f50a409312696145b82b3157aadb6b1fef476WEB
- https://github.com/vercel/next.js/releases/tag/v16.3.8WEB
- https://github.com/vercel/next.js/security/advisories/GHSA-f87g-xv8r-7p7xWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-94485ADVISORY
scry
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