CVE-2026-3520

High CVSS: 8.7

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.

Vendor

Expressjs

Product

Multer

CWE

CWE-674

Yayın Tarihi

2026-03-04 17:16:22

Güncelleme

2026-03-09 18:03:23

Source Identifier

ce714d77-add3-4f53-aff5-83d477b104bb

KEV Date Added

Kategoriler

CWE-674 Multer HIGH Expressjs 2026

Referanslar

https://cna.openjsf.org/security-advisories.html https://github.com/expressjs/multer/commit/7e66481f8b2e6c54b982b34c152479e096ce2752 https://github.com/expressjs/multer/security/advisories/GHSA-5528-5vmv-3xc2 https://www.cve.org/CVERecord?id=CVE-2026-3520