Cybersecurity

CVE-2026-42945: Imperva Customers Protected Against Critical NGINX Rewrite Module Vulnerability

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Researchers have disclosed CVE-2026-42945, a critical heap-based buffer overflow vulnerability in the ngx_http_rewrite_module of NGINX Open Source and Plus versions. This flaw allows unauthenticated attackers to trigger denial-of-service conditions or potentially achieve remote code execution through specially crafted HTTP requests. Developers and tech professionals must urgently patch affected systems to mitigate this widespread risk, especially given NGINX's extensive use across web infrastructure. Imperva customers are already protected by their Cloud WAF and On-Prem WAF solutions.

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