What is GHSA-3p4h-7m6x-2hcm?

GHSA-3p4h-7m6x-2hcm is a security advisory published by GitHub Security Advisories with Medium severity. Multer vulnerable to Denial of Service via incomplete cleanup of aborted uploads

Which CVE IDs does GHSA-3p4h-7m6x-2hcm cover?

GHSA-3p4h-7m6x-2hcm covers the following CVE IDs: CVE-2026-5038. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3p4h-7m6x-2hcm?

GHSA-3p4h-7m6x-2hcm has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

Which products are affected by GHSA-3p4h-7m6x-2hcm?

GHSA-3p4h-7m6x-2hcm affects 2 products, including: npm/multer:\u003e= 2.0.0-alpha.1, \u003c 2.2.0; npm/multer:\u003e= 3.0.0-alpha.1, \u003c 3.0.0-alpha.2.

GHSA-3p4h-7m6x-2hcmMediumCVSS 5.3

Multer vulnerable to Denial of Service via incomplete cleanup of aborted uploads

Vendor

GitHub Security Advisories

Published

June 17, 2026

Last Modified

June 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-5038 →

📋 Description

Impact

A vulnerability in Multer allows an attacker to trigger a Denial of Service (DoS) by aborting or sending malformed multipart uploads, causing orphaned partial files to accumulate on disk when using diskStorage.

Patches

Users should upgrade to 2.2.0, 3.0.0-alpha.2 or higher

Workarounds

None

🎯 Affected products2

npm/multer:>= 2.0.0-alpha.1, < 2.2.0
npm/multer:>= 3.0.0-alpha.1, < 3.0.0-alpha.2

🔗 References (4)

https://github.com/expressjs/multer/security/advisories/GHSA-3p4h-7m6x-2hcm
https://nvd.nist.gov/vuln/detail/CVE-2026-5038
https://cna.openjsf.org/security-advisories.html
https://github.com/advisories/GHSA-3p4h-7m6x-2hcm