HIGH 7.5 npm
Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes - Incomplete Fix Follow-Up
GHSA-26hh-7cqf-hhc6 · CVE-2026-45109
Published · Modified
Description
Impact
It was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. Refer to CVE-2026-44575 for further details.
References
References
- WEB https://github.com/vercel/next.js/security/advisories/GHSA-267c-6grr-h53f
- WEB https://github.com/vercel/next.js/security/advisories/GHSA-26hh-7cqf-hhc6
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-45109
- PACKAGE https://github.com/vercel/next.js
- WEB https://github.com/vercel/next.js/releases/tag/v15.5.18
- WEB https://github.com/vercel/next.js/releases/tag/v16.2.6
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