CVE-2026-2359

7.5 HIGH
Published: February 27, 2026 Modified: March 19, 2026
View on NVD

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 dropping connection during file upload, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://cna.openjsf.org/security-advisories.html
Source: ce714d77-add3-4f53-aff5-83d477b104bb
Vendor Advisory
https://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mc
Source: ce714d77-add3-4f53-aff5-83d477b104bb
Patch Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2026-2359
Source: ce714d77-add3-4f53-aff5-83d477b104bb
VDB Entry

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.1%
17th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

expressjs