Vercel has disclosed nine security vulnerabilities in Next.js, the widely used React framework, including two critical-severity flaws that allow attackers to bypass authentication middleware and hijack server-side requests. The advisories, published by researcher KarimPwnz, affect versions ranging from 12.0.0 through 16.2.10, with patches available in 15.5.21 and 16.2.11. The most severe issue, tracked as CVE-2026-64642 […]
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