CVE-2026-55202 | Tinyproxy up to 1.11.3 Header Host authentication spoofing

A vulnerability, which was classified as critical, was found in Tinyproxy up to 1.11.3. Affected by this vulnerability is an unknown functionality of the component Header Handler. The manipulation of the argument Host results in authentication bypass by spoofing.

This vulnerability was named CVE-2026-55202. The attack may be performed from remote. There is no available exploit.

You should upgrade the affected component.