CVE-2026-76169 | Fastify up to 5.12.1 Not-Found Router information disclosure

September 4, 2026 Yanac

A vulnerability categorized as problematic has been discovered in Fastify up to 5.12.1. Affected by this vulnerability is an unknown functionality of the component Not-Found Router. Executing a manipulation can lead to information disclosure.

This vulnerability appears as CVE-2026-76169. The attack may be performed from remote. There is no available exploit.

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