CVE-2026-54287 | honojs hono up to 4.12.24 Cookie Header escape output (GHSA-j6c9-x7qj-28xf)

A vulnerability was found in honojs hono up to 4.12.24 and classified as problematic. This vulnerability affects unknown code of the component Cookie Header Handler. Such manipulation leads to escaping of output.

This vulnerability is uniquely identified as CVE-2026-54287. The attack can be launched remotely. No exploit exists.

It is suggested to upgrade the affected component.