CVE-2026-126343 | honojs node-server up to 2.1.5 WebSocket Upgrade exceptional condition

November 13, 2026 Yanac

A vulnerability, which was classified as problematic, has been found in honojs node-server up to 2.1.5. This vulnerability affects unknown code of the component WebSocket Upgrade Handler. This manipulation causes handling of exceptional conditions.

The identification of this vulnerability is CVE-2026-126343. It is possible to initiate the attack remotely. There is no exploit available.

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