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next✕security

next: Next.js: null origin can bypass dev HMR websocket CSRF checks

Next.js: null origin can bypass dev HMR websocket CSRF checks (low). GHSA-jcc7-9wpm-mj36, CVE-2026-27977.

next: Next.js: null origin can bypass dev HMR websocket CSRF checks: from its source to your code

osv.devquote checked
security advisory
Your codeby hand
Nemotron fixes

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Next.js: null origin can bypass dev HMR websocket CSRF checks

osv.dev/vulnerability/GHSA-jcc7-9wpm-m…from an advisory databasechecked 2026-10-30#d4825702f0

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read by a advisory-feed · advisory/npm/next/GHSA-jcc7-9wpm-mj36