CVE-2026-3304

multer: Multer: Denial of Service via malformed requests

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · February 28, 2026

Updated · November 5, 2026

Description

A flaw was found in Multer, a Node.js middleware. A remote attacker could exploit this vulnerability by sending specially crafted malformed requests. This could lead to resource exhaustion, resulting in a Denial of Service (DoS) for the application using Multer.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-459 · Incomplete Cleanup