CVE-2026-12200 | Ritlabs TinyWeb Server up to 1.94 on Win32 Header libeay32.dll.html Authorization stack-based overflow (EUVD-2026-36675)

A vulnerability identified as critical has been detected in Ritlabs TinyWeb Server up to 1.94 on Win32. This impacts an unknown function in the library libeay32.dll.html of the component Header Handler. The manipulation of the argument Authorization leads to stack-based buffer overflow. This vulnerability is documented as CVE-2026-12200. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.