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.
Configurations

Configuration 1 (hide)

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

History

30 Jun 2026, 03:19

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:6174 -
  • () https://access.redhat.com/errata/RHSA-2026:6802 -
  • () https://access.redhat.com/security/cve/CVE-2026-3304 -
  • () https://bugzilla.redhat.com/show_bug.cgi?id=2443353 -
  • () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3304.json -

19 Mar 2026, 17:28

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5
First Time Expressjs multer
Expressjs
References () https://cna.openjsf.org/security-advisories.html - () https://cna.openjsf.org/security-advisories.html - Vendor Advisory
References () https://github.com/expressjs/multer/commit/739919097dde3921ec31b930e4b9025036fa74ee - () https://github.com/expressjs/multer/commit/739919097dde3921ec31b930e4b9025036fa74ee - Patch
References () https://github.com/expressjs/multer/security/advisories/GHSA-xf7r-hgr6-v32p - () https://github.com/expressjs/multer/security/advisories/GHSA-xf7r-hgr6-v32p - Patch, Vendor Advisory
References () https://www.cve.org/CVERecord?id=CVE-2026-3304 - () https://www.cve.org/CVERecord?id=CVE-2026-3304 - VDB Entry
Summary
  • (es) Multer es un middleware de node.js para manejar 'multipart/form-data'. Una vulnerabilidad en Multer anterior a la versión 2.1.0 permite a un atacante activar una denegación de servicio (DoS) enviando solicitudes malformadas, lo que podría causar el agotamiento de recursos. Los usuarios deberían actualizar a la versión 2.1.0 para recibir un parche. No se conocen soluciones alternativas disponibles.
CPE cpe:2.3:a:expressjs:multer:*:*:*:*:*:node.js:*:*

27 Feb 2026, 16:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-27 16:16

Updated : 2026-07-15 02:20


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