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CVE-2026-2359

Published: Feb 27, 2026

Modified: Feb 27, 2026

PUBLISHED

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.

Vendor	Product	Versions
expressjs	multer	affected `0.0.0 - < 2.1.0`

Weaknesses (CWE)

References

https://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mc

https://www.cve.org/CVERecord?id=CVE-2026-2359

https://github.com/expressjs/multer/commit/cccf0fe0e64150c4f42ccf6654165c0d66b9adab

https://cna.openjsf.org/security-advisories.html

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