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CVE-2026-12200: Stack-based Buffer Overflow in Ritlabs TinyWeb Server

0
Medium
VulnerabilityCVE-2026-12200cvecve-2026-12200
Published: Mon Jun 15 2026 (06/15/2026, 00:15:08 UTC)
Source: CVE Database V5
Vendor/Project: Ritlabs
Product: TinyWeb Server

Description

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.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

Affected versions
=1.0=1.1=1.2=1.3=1.4=1.5=1.6=1.7=1.8=1.9=1.10=1.11=1.12=1.13=1.14=1.15=1.16=1.17=1.18=1.19=1.20=1.21=1.22=1.23=1.24=1.25=1.26=1.27=1.28=1.29=1.30=1.31=1.32=1.33=1.34=1.35=1.36=1.37=1.38=1.39=1.40=1.41=1.42=1.43=1.44=1.45=1.46=1.47=1.48=1.49=1.50=1.51=1.52=1.53=1.54=1.55=1.56=1.57=1.58=1.59=1.60=1.61=1.62=1.63=1.64=1.65=1.66=1.67=1.68=1.69=1.70=1.71=1.72=1.73=1.74=1.75=1.76=1.77=1.78=1.79=1.80=1.81=1.82=1.83=1.84=1.85=1.86=1.87=1.88=1.89=1.90=1.91=1.92=1.93=1.94
CPE configurations
cpe:2.3:a:ritlabs:tinyweb_server:*:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-06-14T11:39:38.478Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a2f4c5d1cccde5f2688f0b1

Added to database: 6/15/2026, 12:50:37 AM

Last updated: 6/15/2026, 2:03:13 AM

Views: 5

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