{"cve":"CVE-2021-23419","nvd":{"published":"2021-08-08T08:15:06.150","modified":"2026-06-17T03:38:43.737","status":"Modified","description":"This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.","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/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348","https://snyk.io/vuln/SNYK-JS-OPENGRAPH-1536747","https://github.com/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348","https://snyk.io/vuln/SNYK-JS-OPENGRAPH-1536747"],"products":["open-graph_project:open-graph"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-23419","score":0.01113,"percentile":0.66006,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-g452-6rfc-vrvx","url":"https://osv.dev/vulnerability/GHSA-g452-6rfc-vrvx","summary":"Prototype Pollution in open-graph","modified":"2026-09-10T03:49:15.793691963Z","packages":[{"ecosystem":"npm","name":"open-graph","purl":"pkg:npm/open-graph","ranges":["<0.2.6"],"fixed":["0.2.6"]}]}],"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."]}