{"items":[{"id":"NVI-00008979","kind":"vulnerability","title":"Highcharts: dotted series.keys paths write to Object.prototype","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rmqc-xvr3-v46c","CVE-2026-118250"],"plain_summary":"GitHub lists this reviewed advisory for highcharts, highcharts, highcharts. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-19adb4a0174a95d2afc1a7390fb5f6e7"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.6.1 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.1.0 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 11.4.9 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.363%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30305. Missing scores are unknown.","source_id":"sr-19adb4a0174a95d2afc1a7390fb5f6e7"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5888e0743270afa27fbcf1bdf2d89419","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-0550bb7b27aa83da314ab20977d28c17","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:33.548Z"},{"id":"sr-19adb4a0174a95d2afc1a7390fb5f6e7","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118250","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.315Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 12.0.0, < 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 13.0.0, <= 13.0.2"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 6.1.0, < 11.4.9"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 12.0.0; fixed 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 13.0.0; fixed 13.1.0"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 6.1.0; fixed 11.4.9"]}],"null_published_at":"2026-11-08T19:53:38.948Z","source_updated_at":"2026-10-28T19:56:20.000Z","source_disclosed_at":"2026-10-28T19:56:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008979","kind":"vulnerability","title":"Highcharts: dotted series.keys paths write to Object.prototype","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rmqc-xvr3-v46c","CVE-2026-118250"],"plain_summary":"GitHub lists this reviewed advisory for highcharts, highcharts, highcharts. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2b4907de97657e7b1b3751acd5f5c3d1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.6.1 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.1.0 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 11.4.9 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.363%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30158. Missing scores are unknown.","source_id":"sr-2b4907de97657e7b1b3751acd5f5c3d1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5888e0743270afa27fbcf1bdf2d89419","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-0550bb7b27aa83da314ab20977d28c17","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:33.548Z"},{"id":"sr-2b4907de97657e7b1b3751acd5f5c3d1","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118250","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.268Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 12.0.0, < 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 13.0.0, <= 13.0.2"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 6.1.0, < 11.4.9"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 12.0.0; fixed 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 13.0.0; fixed 13.1.0"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 6.1.0; fixed 11.4.9"]}],"null_published_at":"2026-11-06T15:18:11.455Z","source_updated_at":"2026-10-28T19:56:20.000Z","source_disclosed_at":"2026-10-28T19:56:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008979","kind":"vulnerability","title":"Highcharts: dotted series.keys paths write to Object.prototype","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rmqc-xvr3-v46c","CVE-2026-118250"],"plain_summary":"GitHub lists this reviewed advisory for highcharts, highcharts, highcharts. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-924a22924920dcbfcf176109c7334441"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.6.1 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.1.0 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 11.4.9 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.363%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30162. Missing scores are unknown.","source_id":"sr-924a22924920dcbfcf176109c7334441"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5888e0743270afa27fbcf1bdf2d89419","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-0550bb7b27aa83da314ab20977d28c17","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:33.548Z"},{"id":"sr-924a22924920dcbfcf176109c7334441","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118250","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 12.0.0, < 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 13.0.0, <= 13.0.2"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 6.1.0, < 11.4.9"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 12.0.0; fixed 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 13.0.0; fixed 13.1.0"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 6.1.0; fixed 11.4.9"]}],"null_published_at":"2026-11-03T02:33:09.153Z","source_updated_at":"2026-10-28T19:56:20.000Z","source_disclosed_at":"2026-10-28T19:56:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008979","kind":"vulnerability","title":"Highcharts: dotted series.keys paths write to Object.prototype","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rmqc-xvr3-v46c","CVE-2026-118250"],"plain_summary":"GitHub lists this reviewed advisory for highcharts, highcharts, highcharts. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.6.1 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.1.0 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 11.4.9 for highcharts. Confirm the publisher’s latest guidance.","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5888e0743270afa27fbcf1bdf2d89419","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-0550bb7b27aa83da314ab20977d28c17","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:33.548Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 12.0.0, < 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 13.0.0, <= 13.0.2"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 6.1.0, < 11.4.9"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 12.0.0; fixed 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 13.0.0; fixed 13.1.0"]},{"certainty":"source_listed","source_ids":["sr-0550bb7b27aa83da314ab20977d28c17"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":["SEMVER: introduced 6.1.0; fixed 11.4.9"]}],"null_published_at":"2026-11-02T20:21:10.344Z","source_updated_at":"2026-10-28T19:56:20.000Z","source_disclosed_at":"2026-10-28T19:56:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008979","kind":"vulnerability","title":"Highcharts: dotted series.keys paths write to Object.prototype","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rmqc-xvr3-v46c","CVE-2026-118250"],"plain_summary":"GitHub lists this reviewed advisory for highcharts, highcharts, highcharts. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5888e0743270afa27fbcf1bdf2d89419","url":"https://github.com/advisories/GHSA-rmqc-xvr3-v46c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rmqc-xvr3-v46c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 12.0.0, < 12.6.1"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 13.0.0, <= 13.0.2"]},{"certainty":"source_listed","source_ids":["sr-5888e0743270afa27fbcf1bdf2d89419"],"technology":"highcharts","known_exclusions":[],"conditions_summary":"### Impact\nA dot-separated key path taken from `series.keys` is followed without filtering the individual segments. An attacker who controls `series.keys` and the matching point data can use a path such as `__proto__.polluted` to set arbitrary properties on `Object.prototype`. The resulting properties are visible to all JavaScript running in the page, not only to the chart. No user interaction is required beyond rendering the chart.\n\nThe injected properties are inert until other code on the page reads them, so consequences depend on the consuming application.\n\n### Workarounds\nDrop-in fix - for any versions affected (6.1.0-13.0.2). Add the below IIFE to run after Highcharts is loaded.\n\n```javascript\n((H)=>{const X = H.isObject;H.Point.prototype.setNestedProperty = function setNestedProperty(t,e,i){let s=i.split(\".\");return s.some(t=>\"__proto__\"===t||\"constructor\"===t)||s.reduce(function(t,i,s,o){let r=o.length-1===s;return t[i]=r?e:X(t[i],!0)?t[i]:{},t[i]},t),t};})(Highcharts);\n```\n\nLive demo & testing\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affe","public_affected_ranges":[">= 6.1.0, < 11.4.9"]}],"null_published_at":"2026-10-31T22:13:27.125Z","source_updated_at":"2026-10-28T19:56:20.000Z","source_disclosed_at":"2026-10-28T19:56:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:56:08.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}