Nginx-poolslip Vulnerability Enables DoS and Code Execution Attacks

📰 Dev.to · BeyondMachines

NGINX has disclosed a critical heap buffer overflow vulnerability (CVE-2026-9256) in its rewrite module that allows unauthenticated attackers to cause denial-of-service or execute arbitrary code. The flaw, known as nginx-poolslip, affects both Open Source and Plus versions and requires immediate pat

Published 24 May 2026
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