CVE-2026-51785 PUBLISHED

An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request

• https://www.rfc-editor.org/rfc/rfc9112.html#section-6.3
• https://www.rfc-editor.org/rfc/rfc2616
• https://www.rfc-editor.org/rfc/rfc2616.html#section-4.4
• https://fenrisk.com/hiawatha-http-smuggling

• n/a text