{"cve":"CVE-2021-25916","nvd":{"published":"2021-03-16T16:15:14.143","modified":"2026-06-17T03:42:34.470","status":"Modified","description":"Prototype pollution vulnerability in 'patchmerge' versions 1.0.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-1321"],"references":["https://github.com/pjshumphreys/patchmerge/commit/5b383c537eae7a00ebd26d3f7211dac99ddecb12","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25916","https://github.com/pjshumphreys/patchmerge/commit/5b383c537eae7a00ebd26d3f7211dac99ddecb12","https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25916"],"products":["patchmerge_project:patchmerge"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-25916","score":0.03507,"percentile":0.89191,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-84g3-cv89-m9gm","url":"https://osv.dev/vulnerability/GHSA-84g3-cv89-m9gm","summary":"Prototype pollution vulnerability in 'patchmerge'","modified":"2023-11-08T04:05:17.287008Z","packages":[{"ecosystem":"npm","name":"patchmerge","purl":"pkg:npm/patchmerge","ranges":[">=1.0.0 <1.0.2"],"fixed":["1.0.2"]}]}],"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."]}