cvedb.io
CVE-2026-28497
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2026-03-06T04:16:07.990 · Last modified 2026-06-17T10:28:44.807

Summary

TinyWeb is a web server (HTTP, HTTPS) written in Delphi for Win32. Prior to version 2.03, an integer overflow vulnerability in the string-to-integer conversion routine (_Val) allows an unauthenticated remote attacker to bypass Content-Length restrictions and perform HTTP Request Smuggling. This can lead to unauthorized access, security filter bypass, and potential cache poisoning. The impact is critical for servers using persistent connections (Keep-Alive). This issue has been patched in version 2.03.

Affected products

ritlabs — tinyweb

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.