{"action":"Upgrade multer to 2.1.1 or later.","affected":[{"fixed":"2.1.1","introduced":"0"}],"component":"multer","cve_ids":["CVE-2026-3520"],"ecosystem":"npm","epss":0.00818,"exploited":false,"fixed_versions":["2.1.1"],"ghsa_id":"GHSA-5528-5vmv-3xc2","id":"tcs_01M5KF2N0NRMD6PYV6GK124YH5","modified_at":"2026-09-10T03:50:59.770262010Z","published_at":"2026-03-05T00:27:50Z","references":["https://osv.dev/vulnerability/GHSA-5528-5vmv-3xc2","https://github.com/expressjs/multer/security/advisories/GHSA-5528-5vmv-3xc2","https://nvd.nist.gov/vuln/detail/CVE-2026-3520","https://github.com/expressjs/multer/commit/7e66481f8b2e6c54b982b34c152479e096ce2752","https://cna.openjsf.org/security-advisories.html","https://github.com/expressjs/multer","https://www.cve.org/CVERecord?id=CVE-2026-3520"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-5528-5vmv-3xc2","url":"https://osv.dev/vulnerability/GHSA-5528-5vmv-3xc2"},{"source":"nvd","source_id":"CVE-2026-3520","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3520"}],"summary":"Multer Vulnerable to Denial of Service via Uncontrolled Recursion"}