expressjs/multer · Security
Multer vulnerable to Denial of Service via resource exhaustion
- GHSA ID
- GHSA-v52c-386h-88mc
- CVE ID
- CVE-2026-2359
- Severity
- high
- Published
- Updated
- CVSS v4
- 8.7 · 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
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
CWEs
- CWE-772 · Missing Release of Resource after Effective Lifetime
References
- https://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mc ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-2359 ↗
- https://github.com/expressjs/multer/commit/cccf0fe0e64150c4f42ccf6654165c0d66b9adab ↗
- https://cna.openjsf.org/security-advisories.html ↗
- https://www.cve.org/CVERecord?id=CVE-2026-2359 ↗
- https://github.com/advisories/GHSA-v52c-386h-88mc ↗