CVE-2026-42530

CVE-2026-42530: NGINX HTTP/3 RCE Proof-of-Concept Publicly Disclosed CVE-2026-42530 NGINX HTTP/3 RCE proof-of-concept exploiting a QPACK use-after-free

CVE-2026-42530: NGINX HTTP/3 RCE Proof-of-Concept Publicly Disclosed

Do Son July 30, 2026

TL;DR: A public proof-of-concept now targets CVE-2026-42530, an NGINX HTTP/3 RCE flaw rated CVSS 9.2. The use-after-free...

F5 Patches Two Critical NGINX Flaws in HTTP/3 and HTTP/2 Modules (CVE-2026-42530, CVE-2026-42055) NGINX vulnerabilities CVE-2026-42530 HTTP/3 use-after-free and HTTP/2 buffer overflow

NGINX vulnerabilities CVE-2026-42530 HTTP/3 use-after-free and HTTP/2 buffer overflow

F5 Patches Two Critical NGINX Flaws in HTTP/3 and HTTP/2 Modules (CVE-2026-42530, CVE-2026-42055)

Do Son June 19, 2026

F5 has issued out-of-band patches for two serious flaws in its NGINX web server. The critical NGINX...

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