CVE-2026-2359

HIGH8.7

Multer vulnerable to Denial of Service via resource exhaustion

Published Feb 27, 2026

Modified 5 days ago

Details

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.

References

WEB

https://cna.openjsf.org/security-advisories.html

WEB

https://github.com/expressjs/multer/commit/cccf0fe0e64150c4f42ccf6654165c0d66b9adab

WEB

https://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mc

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-2359

CVSS Analysis

CVSS v4.0

8.7