⤷ Title: CVE-2026-42530: NGINX HTTP/3 RCE Proof-of-Concept Publicly Disclosed
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𐀪 Author: Do Son
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ⴵ Time: Thu, 30 Jul 2026 13:02:26 +0000
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⌗ Tags: #Vulnerability Report #CVE_2026_42530 #HTTP/3 #nginx #NGINX HTTP/3 #ngx_http_v3_module #proof_of_concept #QPACK #QUIC #Remote Code Execution #use after free
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𐀪 Author: Do Son
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ⴵ Time: Thu, 30 Jul 2026 13:02:26 +0000
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⌗ Tags: #Vulnerability Report #CVE_2026_42530 #HTTP/3 #nginx #NGINX HTTP/3 #ngx_http_v3_module #proof_of_concept #QPACK #QUIC #Remote Code Execution #use after free
Daily CyberSecurity
CVE-2026-42530: NGINX HTTP/3 RCE Proof-of-Concept Publicly Disclosed
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 sits in the QPACK code of the HTTP/3 module. F5 fixed it in NGINX Open Sour…
⤷ Title: PoC and Full Details Released for QPACK Amplification Attack That Crashes HTTP/3 Servers
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𐀪 Author: Do Son
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ⴵ Time: Thu, 22 Oct 2026 01:58:12 +0000
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⌗ Tags: #Vulnerability Report #CVE_2025_13945 #CVE_2025_64702 #CVE_2026_12523 #Denial of Service #Header Accordions #HTTP/3 #proof_of_concept #QPACK
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𐀪 Author: Do Son
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ⴵ Time: Thu, 22 Oct 2026 01:58:12 +0000
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⌗ Tags: #Vulnerability Report #CVE_2025_13945 #CVE_2025_64702 #CVE_2026_12523 #Denial of Service #Header Accordions #HTTP/3 #proof_of_concept #QPACK
Daily CyberSecurity
PoC and Full Details Released for QPACK Amplification Attack That Crashes HTTP/3 Servers
TL;DR On October 20, 2026, FoxIO published full details and proof-of-concept code for “Header Accordions,” a QPACK amplification attack against HTTP/3 servers. A remote, unauthenticate…