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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| expressjs | multer | 0.0.0 – < 2.1.0 | 2.1.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | multer | < 2.1.0 | 2.1.0 | GHSA-v52c-386h-88mc |
Advisories 2
- WID-SEC-2026-2394 HCL BigFix (Service Management): Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Jul 16, 2026
- WID-SEC-2026-0903 IBM App Connect Enterprise: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Apr 7, 2026