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I. Basic Information for CVE-2026-29046
Vulnerability Information

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Vulnerability Title
TinyWeb: HTTP Header Control Character Injection into CGI Environment
Source: NVD (National Vulnerability Database)
Vulnerability Description
TinyWeb is a web server (HTTP, HTTPS) written in Delphi for Win32. Prior to version 2.04, TinyWeb accepts request header values and later maps them into CGI environment variables (HTTP_*). The parser did not strictly reject dangerous control characters in header lines and header values, including CR, LF, and NUL, and did not consistently defend against encoded forms such as %0d, %0a, and %00. This can enable header value confusion across parser boundaries and may create unsafe data in the CGI execution context. This issue has been patched in version 2.04.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
流程控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
TinyWeb 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TinyWeb是Konstantin Belyalov个人开发者的一个简单且轻量级 HTTP 服务器。 TinyWeb 2.04之前版本存在安全漏洞,该漏洞源于解析器未严格拒绝标头行和标头值中的危险控制字符,可能导致标头值混淆并在CGI执行环境中创建不安全数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
maximmasiutinTinyWeb < 2.04 -
II. Public POCs for CVE-2026-29046
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III. Intelligence Information for CVE-2026-29046
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IV. Related Vulnerabilities
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