CVE-2026-2359
multer: Multer: Denial of Service via dropped file upload connections
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 28, 2026
Updated · October 27, 2026
Description
A flaw was found in Multer, a Node.js middleware for handling multipart/form-data. A remote attacker can exploit this vulnerability by intentionally dropping a connection during a file upload. This can lead to a Denial of Service (DoS) due to resource exhaustion on the affected system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime