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KAZUHO Starlet

CVE-2026-40561 Medium 5.3 Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence 0.4%

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Exploit-availability signals from CVSS-BT by Stephen Shaffer (MIT license), which aggregates Metasploit (BSD), Nuclei templates (MIT), PoC-in-GitHub (CC0) and NVD (public domain).

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