CVE-2026-47675 | honojs hono up to 4.12.20 Response Header serialize response splitting (GHSA-3hrh-pfw6-9m5x)

SecurityVulns
Yanac

A vulnerability classified as problematic has been found in honojs hono up to 4.12.20. The impacted element is the function serialize of the component Response Header Handler. Performing a manipulation results in http response splitting.

This vulnerability was named CVE-2026-47675. The attack may be initiated remotely. There is no available exploit.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More