{"cve":"CVE-2026-2359","nvd":{"published":"2026-02-27T16:16:25.467","modified":"2026-07-15T02:19:30.117","status":"Modified","description":"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.","cvss_v4":{"vector":"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","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-772"],"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"],"products":["expressjs:multer"],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2026-2359","score":0.00738,"percentile":0.54533,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-v52c-386h-88mc","url":"https://osv.dev/vulnerability/GHSA-v52c-386h-88mc","summary":"Multer vulnerable to Denial of Service via resource exhaustion","modified":"2026-09-10T03:50:41.062959538Z","packages":[{"ecosystem":"npm","name":"multer","purl":"pkg:npm/multer","ranges":["<2.1.0"],"fixed":["2.1.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}