PT-2026-49150 · Ritlabs · Tiny Web Server

Nathan2 · Published 2026-06-15 · Updated 2026-06-15 · CVE-2026-12200

NVD

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

A security vulnerability 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. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-12200

Affected Products

Tiny Web Server

References · 6

• 🔥 https://nathan2.com/posts/tinyweb · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12200 · Security Note
• https://vuldb.com/cve/CVE-2026-12200 · Note
• https://vuldb.com/submit/829894 · Note
• https://vuldb.com/vuln/370842 · Note
• https://vuldb.com/vuln/370842/cti · Note