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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-3520

Multer vulnerable to Denial of Service via uncontrolled recursion

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
openjs

Description

Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.1 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing stack overflow. Users should upgrade to version 2.1.1 to receive a patch. No known workarounds are available.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

expressjs multer

Default version status: unaffected

  • 0 to < 2.1.1affected
pkg:npm/multer

References