Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`

影響: npm:@highcharts/dashboards >= 1.0.0, <= 4.2.1 → 4.2.2

The data cursor keeps its listener and state bookkeeping in plain objects keyed by data table id, so a table id of __proto__ supplied in the dataPool connector configuration resolves to Object.prototype when a sync registers its listeners, and the registration creates a property on Object.prototype named after the sync state and holding the internal listener array. The property name begins with a state prefix fixed by the library, to which the sync group option can append an attacker-chosen suf…

GitHub Advisory Database에서 읽기

2026. 10. 29. 오전 04:55, GitHub Advisory Database에서 "Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`"을(를) 게시했습니다 (유형: 취약점 권고). 심각도는 "보통"(medium)입니다. 관련 기술: JavaScript / Node.js. CVE: CVE-2026-118243.