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next✕security

next: Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades

Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades (high). GHSA-c4j6-fc7j-m34r, CVE-2026-44578.

next: Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades: from its source to your code

osv.devquote checked
security advisory
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Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades

osv.dev/vulnerability/GHSA-c4j6-fc7j-m…from an advisory databasechecked 2026-10-30#96a0c3cfd1

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read by a advisory-feed · advisory/npm/next/GHSA-c4j6-fc7j-m34r