{"id":"GHSA-xf7r-hgr6-v32p","summary":"Multer vulnerable to Denial of Service via incomplete cleanup","details":"### Impact\n\nA vulnerability in Multer versions \u003c 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing resource exhaustion.\n\n### Patches\n\nUsers should upgrade to `2.1.0`\n\n### Workarounds\n\nNone","aliases":["CVE-2026-3304"],"modified":"2026-07-17T21:09:17.003556266Z","published":"2026-03-01T01:18:50Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-03-01T01:18:50Z","nvd_published_at":"2026-02-27T16:16:26Z","cwe_ids":["CWE-459"],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/expressjs/multer/security/advisories/GHSA-xf7r-hgr6-v32p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3304"},{"type":"WEB","url":"https://github.com/expressjs/multer/commit/739919097dde3921ec31b930e4b9025036fa74ee"},{"type":"WEB","url":"https://cna.openjsf.org/security-advisories.html"},{"type":"PACKAGE","url":"https://github.com/expressjs/multer"},{"type":"WEB","url":"https://www.cve.org/CVERecord?id=CVE-2026-3304"}],"affected":[{"package":{"name":"multer","ecosystem":"npm","purl":"pkg:npm/multer"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.1.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-xf7r-hgr6-v32p/GHSA-xf7r-hgr6-v32p.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}