{"items":[{"id":"NVI-00009153","kind":"vulnerability","title":"Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-jqgh-w3cc-7jqw","CVE-2026-118243"],"plain_summary":"GitHub lists this reviewed advisory for @highcharts/dashboards. 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-1095cb2e6fcd814b35e18ec48e8dc527"],"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 4.2.2 for @highcharts/dashboards. Confirm the publisher’s latest guidance.","source_ids":["sr-7c826c433adf48a76ba67443e456f394"],"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":"CVSS","as_of":"2026-11-02T21:17:26.020Z","value":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-296b4c7022e78d3eb52436960095925f"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.351%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28786. Missing scores are unknown.","source_id":"sr-1095cb2e6fcd814b35e18ec48e8dc527"}],"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-d211b0941e5f35e9b0270f4740d109a7","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-7c826c433adf48a76ba67443e456f394","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:24.537Z"},{"id":"sr-296b4c7022e78d3eb52436960095925f","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118243","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-118243","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:08.616Z"},{"id":"sr-1095cb2e6fcd814b35e18ec48e8dc527","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-2026-118243","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.844Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d211b0941e5f35e9b0270f4740d109a7"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":[">= 1.0.0, <= 4.2.1"]},{"certainty":"source_listed","source_ids":["sr-7c826c433adf48a76ba67443e456f394"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":["SEMVER: introduced 1.0.0; fixed 4.2.2"]}],"null_published_at":"2026-11-04T10:04:47.604Z","source_updated_at":"2026-10-28T19:55:35.000Z","source_disclosed_at":"2026-10-28T19:55:32.000Z","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":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009153","kind":"vulnerability","title":"Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-jqgh-w3cc-7jqw","CVE-2026-118243"],"plain_summary":"GitHub lists this reviewed advisory for @highcharts/dashboards. 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-296b4c7022e78d3eb52436960095925f"],"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 4.2.2 for @highcharts/dashboards. Confirm the publisher’s latest guidance.","source_ids":["sr-7c826c433adf48a76ba67443e456f394"],"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":"CVSS","as_of":"2026-11-02T21:17:26.020Z","value":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-296b4c7022e78d3eb52436960095925f"}],"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-d211b0941e5f35e9b0270f4740d109a7","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-7c826c433adf48a76ba67443e456f394","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:24.537Z"},{"id":"sr-296b4c7022e78d3eb52436960095925f","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118243","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-118243","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:08.616Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d211b0941e5f35e9b0270f4740d109a7"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":[">= 1.0.0, <= 4.2.1"]},{"certainty":"source_listed","source_ids":["sr-7c826c433adf48a76ba67443e456f394"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":["SEMVER: introduced 1.0.0; fixed 4.2.2"]}],"null_published_at":"2026-11-03T10:03:31.386Z","source_updated_at":"2026-10-28T19:55:35.000Z","source_disclosed_at":"2026-10-28T19:55:32.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009153","kind":"vulnerability","title":"Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jqgh-w3cc-7jqw","CVE-2026-118243"],"plain_summary":"GitHub lists this reviewed advisory for @highcharts/dashboards. 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-d211b0941e5f35e9b0270f4740d109a7"],"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 4.2.2 for @highcharts/dashboards. Confirm the publisher’s latest guidance.","source_ids":["sr-7c826c433adf48a76ba67443e456f394"],"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-d211b0941e5f35e9b0270f4740d109a7","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-7c826c433adf48a76ba67443e456f394","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T19:09:24.537Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d211b0941e5f35e9b0270f4740d109a7"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":[">= 1.0.0, <= 4.2.1"]},{"certainty":"source_listed","source_ids":["sr-7c826c433adf48a76ba67443e456f394"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":["SEMVER: introduced 1.0.0; fixed 4.2.2"]}],"null_published_at":"2026-11-02T20:21:10.346Z","source_updated_at":"2026-10-28T19:55:35.000Z","source_disclosed_at":"2026-10-28T19:55:32.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009153","kind":"vulnerability","title":"Highcharts Dashboards: `__proto__` data table id writes sync listeners to `Object.prototype`","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jqgh-w3cc-7jqw","CVE-2026-118243"],"plain_summary":"GitHub lists this reviewed advisory for @highcharts/dashboards. 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-d211b0941e5f35e9b0270f4740d109a7"],"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-d211b0941e5f35e9b0270f4740d109a7","url":"https://github.com/advisories/GHSA-jqgh-w3cc-7jqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jqgh-w3cc-7jqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d211b0941e5f35e9b0270f4740d109a7"],"technology":"@highcharts/dashboards","known_exclusions":[],"conditions_summary":"### Impact\nThe 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 suffix, and its value is the library's own listener array, but the property is enumerable and visible on every object in the page, and emitting a lasting state for that table id then throws, so syncs that keep lasting states, such as `extremes`, stop working. Exploitation requires that untrusted data reach the Dashboards configuration and that a sync such as `highlight` or `extremes` be enabled on a component using that table, which the same configuration can do. No user interaction is required beyond loading the board.\n\nThe injected property is inert until other code on the page reads or enumerates it, so consequences depend on the consuming application.\n\n### Workarounds\n**","public_affected_ranges":[">= 1.0.0, <= 4.2.1"]}],"null_published_at":"2026-10-31T22:13:31.287Z","source_updated_at":"2026-10-28T19:55:35.000Z","source_disclosed_at":"2026-10-28T19:55:32.000Z","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":"2026-10-31T21:56:36.327Z"}],"next_cursor":null,"snapshot_revision":"42594"}