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.

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History

Fri, 27 Feb 2026 16:00:00 +0000

Type Values Removed Values Added
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.
Title Multer vulnerable to Denial of Service via resource exhaustion
Weaknesses CWE-772
References
Metrics cvssV4_0

{'score': 8.7, '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: openjs

Published:

Updated: 2026-02-27T17:13:17.930Z

Reserved: 2026-02-11T17:10:23.973Z

Link: CVE-2026-2359

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-27T16:16:25.467

Modified: 2026-02-27T16:16:25.467

Link: CVE-2026-2359

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses