A vulnerability classified as problematic has been found in multer up to 2.1.x/3.0.0-alpha.1. This impacts the function Readable.pipe of the component Multipart Upload Handler. Performing a manipulation results in incomplete cleanup.

This vulnerability is cataloged as CVE-2026-5038. It is possible to initiate the attack remotely. There is no exploit available.

It is recommended to upgrade the affected component.