CVE-2026-2359
Multer vulnerable to Denial of Service via resource exhaustion
EPSS 0.02%
Description
### Impact A vulnerability in Multer versions < 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion. ### Patches Users should upgrade to `2.1.0` ### Workarounds None
How to fix CVE-2026-2359
To remediate CVE-2026-2359, upgrade the affected package to a fixed version below.
- npm/multer—upgrade to 2.1.0 or later
Is CVE-2026-2359 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |