CVE-2026-29046
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.
How to fix
- ritlabs tinyweb2.04 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ritlabs tinyweb | v < 2.04 | 2.04 |
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