{"id":"GHSA-9wcg-jrwf-8gg7","summary":"Prototype Pollution in express-fileupload","details":"This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.","aliases":["CVE-2020-7699","SNYK-JS-EXPRESSFILEUPLOAD-595969"],"modified":"2026-07-08T06:49:33.356280756Z","published":"2020-08-05T14:53:16Z","database_specific":{"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2020-08-03T21:20:00Z","nvd_published_at":"2020-07-30T09:15:00Z","cwe_ids":["CWE-1321","CWE-915"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7699"},{"type":"WEB","url":"https://github.com/richardgirges/express-fileupload/issues/236"},{"type":"WEB","url":"https://github.com/richardgirges/express-fileupload/pull/237"},{"type":"WEB","url":"https://github.com/richardgirges/express-fileupload/commit/db495357d7557ceb5c034de91a7a574bd12f9b9f"},{"type":"PACKAGE","url":"https://github.com/richardgirges/express-fileupload"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200821-0003"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-EXPRESSFILEUPLOAD-595969"}],"affected":[{"package":{"name":"express-fileupload","ecosystem":"npm","purl":"pkg:npm/express-fileupload"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/08/GHSA-9wcg-jrwf-8gg7/GHSA-9wcg-jrwf-8gg7.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}