A vulnerability, which was classified as problematic, has been found in chimurai http-proxy-middleware up to 2.0.9/3.0.5/4.0.x. Affected by this vulnerability is an unknown functionality of the component Host Handler. The manipulation leads to improper input validation.

This vulnerability is traded as CVE-2026-55602. It is possible to initiate the attack remotely. There is no exploit available.

It is advisable to upgrade the affected component.