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CVE-2026-71554Suited to automated attack · CISA

h2: Duplicate Host header could facilitate request smuggling

CVSS score

5.3

EPSS probability

%0.4

Risk score

0.0

Published

2 mo ago

Public Exploits · GitHub and Metasploit Intelligence

This tab scans the sources that NVD labels as exploits, GitHub repositories matching the CVE identifier and Rapid7 Metasploit Framework modules. Only links to sources that were actually found are shown.

PoC for CVE-2026-71554 - h2 duplicate Host header request smuggling primitive (fixed in 4.4.1)

Public PoC

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