VULNERABILITY INTELLIGENCE

CVE-2026-3520

CVSS score7.5 HIGH
EPSS probability0.82%
CISA KEVNot currently listed
Published2026-03-04
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.1 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing stack overflow. Users should upgrade to version 2.1.1 to receive a patch. No known workarounds are available.

Weakness classification

  • ce714d77-add3-4f53-aff5-83d477b104bb: CWE-674
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-770

Primary references