GitHub Advisoryadvisory · npm

GHSA-v52c-386h-88mc Multer vulnerable to Denial of Service via resource exhaustion

HIGH Published 2026-03-01 Modified 2026-03-01 Official page ↗
Aliases
CVE-2026-2359
Ecosystem
npm
Packages
multer
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
CWE-772
Reviewed
2026-03-01

Affected packages

• npm multer: < 2.1.0 → fixed in 2.1.0

Description

Impact A vulnerability in Multer versions < 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion. Patches Users should upgrade to `2.1.0` Workarounds None

Related

Alias · CVE (1)

  • CVE-2026-2359 Multer is a node.js middleware for handling `multipart/form-data`. vulnerability

Weakness · CWE (1)

  • CWE-772 Missing Release of Resource after Effective Lifetime weakness

References