F5 has released security updates to address two critical security flaws in NGINX Open Source that could be exploited to achieve code execution on affected systems. The vulnerabilities are listed below - CVE-2026-42530 (CVSS v4 score: 9.2) - A use-after-free vulnerability in the ngx_http_v3_module that could be triggered by a remote unauthenticated attacker when NGINX Open Source is