CVE-2026-74866 | fastify busboy up to 3.2.1 Multipart Part-Header Parser neutralization for logs

August 21, 2026 Yanac

A vulnerability identified as problematic has been detected in fastify busboy up to 3.2.1. Affected by this vulnerability is an unknown functionality of the component Multipart Part-Header Parser. Performing a manipulation results in improper output neutralization for logs.

This vulnerability was named CVE-2026-74866. The attack may be initiated remotely. There is no available exploit.

You should upgrade the affected component.VulDB Recent EntriesRead More