CVE-2026-3304 – Multer vulnerable to Denial of Service via incomplete cleanup

CVE ID : CVE-2026-3304

Published : Feb. 27, 2026, 4:16 p.m. | 55 minutes ago

Description : Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.

Severity: 8.7 | HIGH

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