{"id":"CVE-2026-118250","revision":"473b37566e9d4705a9d42444bd5645ad","records":[{"revision":"473b37566e9d4705a9d42444bd5645ad","observedAt":"2026-10-28T20:57:26.19+00:00","statement":{"source":"nvd","id":"CVE-2026-118250","aliases":[],"title":"Highcharts JS is a JavaScript charting library based on SVG. From 6.1.0 until 11.4.9, 12.6.1, and 3.1.0, Highcharts follows dot-separated series.keys paths without filtering each segment. An attacker who controls series.keys and matching po…","description":"Highcharts JS is a JavaScript charting library based on SVG. From 6.1.0 until 11.4.9, 12.6.1, and 3.1.0, Highcharts follows dot-separated series.keys paths without filtering each segment. An attacker who controls series.keys and matching point data can use a path through __proto__ to assign arbitrary named properties to Object.prototype. Those properties are visible to all JavaScript in the page, and no user interaction is required beyond rendering the chart. This issue is fixed in 11.4.9, 12.6.1, and 3.1.0.","state":0,"publishedAt":"2026-10-28T18:17:16.543+00:00","modifiedAt":"2026-10-28T18:17:16.543+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":7.2,"severity":"HIGH"}],"references":["https://github.com/highcharts/highcharts/commit/fd4ee8140732618bbe71295aba55398fb1f8fa9e","https://github.com/highcharts/highcharts/pull/25313","https://github.com/highcharts/highcharts/releases/tag/v13.1.0","https://github.com/highcharts/highcharts/security/advisories/GHSA-rmqc-xvr3-v46c"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-118250","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Received","weaknesses":["CWE-1321"],"productCriteria":[],"sourceDates":{"published":"2026-10-28T18:17:16.543","lastModified":"2026-10-28T18:17:16.543"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-118250","identifiers":["CVE-2026-118250"]},"retained":false,"historicalAffected":[]}],"coverage":[]}