{"id":"CVE-2021-23419","aliases":["GHSA-g452-6rfc-vrvx"],"url":"https://o3.security/vulnerability/CVE-2021-23419","summary":"Prototype Pollution in open-graph","details":"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.","published":"2021-08-08T08:15:06.150Z","modified":"2026-07-09T10:52:40.169605Z","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":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"open-graph","fixedVersion":"0.2.6"}],"fix":{"url":"https://github.com/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348","label":"samholmes/node-open-graph@a0cef50"},"references":[{"type":"FIX","url":"https://github.com/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-OPENGRAPH-1536747"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T10:52:40.169605Z"}}