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…

在 GitHub Advisory Database 阅读

2026/10/29 04:55，GitHub Advisory Database 发布了“Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`”（类型：漏洞公告）。严重程度为“中危”（medium）。相关技术：JavaScript / Node.js。CVE：CVE-2026-118243。