CVE-2026-3304

EUVD-2026-9033
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 sending malformed requests, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
expressjsmulter
𝑥
< 2.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cna.openjsf.org/security-advisories.html
https://github.com/expressjs/multer/commit/739919097dde3921ec31b930e4b9025036fa74ee
https://github.com/expressjs/multer/security/advisories/GHSA-xf7r-hgr6-v32p
https://www.cve.org/CVERecord?id=CVE-2026-3304