TL;DR: A newly disclosed denial-of-service vulnerability, CVE-2026-23870, impacts React Server Components and dependent frameworks, including Next.js App Router deployments. The flaw enables unauthenticated attackers to send specially crafted HTTP requests that trigger excessive CPU consumption during request deserialization, leading to potential service degradation or total unavailability. Imperva Threat Research Group has analyzed the vulnerability and associated […]
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