npm/next CVE-2026-44575: high 7.5, EPSS 0.76%
Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes
Action: Upgrade next to 15.5.16 or later.
npm i next@15.5.16npm i next@16.2.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 15.2.0 | 15.5.16 | - |
| 16.0.0 | 16.2.5 | - |
Fixed versions
| 15.5.16 | 16.2.5 |
Sources
- osv: GHSA-267c-6grr-h53f
- https://github.com/vercel/next.js/security/advisories/GHSA-267c-6grr-h53f
- https://nvd.nist.gov/vuln/detail/CVE-2026-44575
- https://github.com/vercel/next.js
- https://github.com/vercel/next.js/releases/tag/v15.5.16
- https://github.com/vercel/next.js/releases/tag/v16.2.5
CVE-2026-44575 · published · modified · JSON