CVE-2026-3304

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cna.openjsf.org/security-advisories.html	Vendor Advisory
https://github.com/expressjs/multer/commit/739919097dde3921ec31b930e4b9025036fa74ee	Patch
https://github.com/expressjs/multer/security/advisories/GHSA-xf7r-hgr6-v32p	Patch Vendor Advisory
https://www.cve.org/CVERecord?id=CVE-2026-3304	VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:expressjs:multer:*:*:*:*:*:node.js:*:*

History

No history.

Information

Published : 2026-02-27 16:16

Updated : 2026-03-19 17:28

NVD link : CVE-2026-3304

Mitre link : CVE-2026-3304

CVE.ORG link : CVE-2026-3304

JSON object : View

Products Affected

expressjs

multer

CWE

CWE-459

Incomplete Cleanup

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