CVE-2026-2359

EUVD-2026-9032
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 48.98%
Affected Products (NVD)
VendorProductVersion
expressjsmulter
𝑥
< 2.1.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
Red HatRed Hat Developer Hub 1.8
1774545605 ≤
𝑥
< *
ADP
Red HatRed Hat Developer Hub 1.9
1775140647 ≤
𝑥
< *
ADP
Common Weakness Enumeration
References
https://cna.openjsf.org/security-advisories.html
https://github.com/expressjs/multer/commit/cccf0fe0e64150c4f42ccf6654165c0d66b9adab
https://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mc
https://www.cve.org/CVERecord?id=CVE-2026-2359
https://access.redhat.com/errata/RHSA-2026:6174
https://access.redhat.com/errata/RHSA-2026:6802
https://access.redhat.com/security/cve/CVE-2026-2359
https://bugzilla.redhat.com/show_bug.cgi?id=2443350
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2359.json