{"id":"CVE-2020-28278","aliases":["GHSA-pqwc-3vhw-qcvq"],"url":"https://o3.security/vulnerability/CVE-2020-28278","summary":"shvl vulnerable to prototype pollution","details":"Prototype pollution vulnerability in 'shvl' versions 1.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.","published":"2020-12-29T18:15:12.620Z","modified":"2026-07-09T00:13:46.367197Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.02944,"percentile":0.86475,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"shvl","fixedVersion":"2.0.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28278"},{"type":"EVIDENCE","url":"https://github.com/robinvdvleuten/shvl/blob/bef0a3ebade444cc6b297147ecf5242308f0892e/index.js#L10"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:13:46.367197Z"}}