{"id":"EUVD-2026-112310","enisaUuid":"22e89888-766b-39d1-a161-9dfefe705719","description":"Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until Dashboards 4.2.2, and from 2.0.0 until Grid Pro 3.2.0, Highcharts DataTable single-cell writers use an untrusted column ID as a key without rejecting __proto__ or constructor. DataTable.setCell, including Dashboards connector write-back and Grid Pro editing paths, can therefore write integer-indexed values onto Object.prototype or the Object constructor. In Dashboards releases with column aliases, a literal __proto__ ID is redirected by the alias map, while an alias targeting __proto__ reaches the unsafe write; later releases without aliases accept the unsafe ID directly. Those inherited values affect array and object reads and for-in enumeration throughout the page, which can alter application control flow or disrupt rendering. Exploitation requires control of the table or component column ID and a cell, point, or API write. This issue is fixed in Dashboards 4.2.2 and Grid Pro 3.2.0.","datePublished":"Oct 28, 2026, 5:50:59 PM","dateUpdated":"Nov 2, 2026, 8:27:24 PM","baseScore":6.9,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:H/SC:L/SI:L/SA:L","references":"https://github.com/highcharts/highcharts/security/advisories/GHSA-c75x-9x9h-28rm\nhttps://github.com/highcharts/highcharts/commit/02dd9349aeb6f4cc9c98806120d917ed316b4c74\nhttps://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.2\nhttps://github.com/highcharts/highcharts/releases/tag/grid-v3.2.0\n","aliases":"CVE-2026-118247\nGHSA-c75x-9x9h-28rm\n","assigner":"GitHub_M","epss":0.36,"enisaIdProduct":[{"id":"40229167-a3df-396c-8869-ea3210150170","product":{"name":"grid-pro","vendor":{"name":"@highcharts"}},"product_version":"2.0.0, \u003c 3.2.0"},{"id":"b75da1e0-8d39-3e3d-8aae-162ffa3b38ab","product":{"name":"dashboards","vendor":{"name":"@highcharts"}},"product_version":"1.0.0, \u003c 4.2.3"},{"id":"c71dd2d8-cdc1-39c1-b5a0-11f7a0c56fe7","product":{"name":"highcharts","vendor":{"name":"highcharts"}},"product_version":"\u003c 13.1.0"}],"enisaIdVendor":[{"id":"27bce4f0-b707-3403-9af1-73a09f81a6ab","vendor":{"name":"highcharts"}},{"id":"c57c658e-be51-3785-bb06-36d271317f42","vendor":{"name":"@highcharts"}}],"enisaIdVulnerability":[{"id":"28afc52c-c3d1-36bd-8a6b-cc4c91cef2a3","vulnerability":{"id":"GHSA-c75x-9x9h-28rm","description":"Highcharts Dashboards / Grid Pro: `DataTable.setCell` and column writers treat `__proto__` as an existing column.","datePublished":"Oct 28, 2026, 7:55:37 PM","dateUpdated":"Oct 28, 2026, 7:55:37 PM","baseScore":0.0,"references":"https://github.com/highcharts/highcharts/security/advisories/GHSA-c75x-9x9h-28rm\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-118247\nhttps://github.com/highcharts/highcharts/commit/02dd9349aeb6f4cc9c98806120d917ed316b4c74\nhttps://github.com/highcharts/highcharts\nhttps://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.2\nhttps://github.com/highcharts/highcharts/releases/tag/grid-v3.2.0\n","enisa_id":"EUVD-2026-112310\n","aliases":"CVE-2026-118247\nGHSA-c75x-9x9h-28rm\n","epss":0.0,"dataProcessed":"Nov 3, 2026, 7:03:11 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"85446636-3617-3fd5-94ec-4648417d97be","vulnerability":{"id":"CVE-2026-118247","description":"Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until Dashboards 4.2.2, and from 2.0.0 until Grid Pro 3.2.0, Highcharts DataTable single-cell writers use an untrusted column ID as a key without rejecting __proto__ or constructor. DataTable.setCell, including Dashboards connector write-back and Grid Pro editing paths, can therefore write integer-indexed values onto Object.prototype or the Object constructor. In Dashboards releases with column aliases, a literal __proto__ ID is redirected by the alias map, while an alias targeting __proto__ reaches the unsafe write; later releases without aliases accept the unsafe ID directly. Those inherited values affect array and object reads and for-in enumeration throughout the page, which can alter application control flow or disrupt rendering. Exploitation requires control of the table or component column ID and a cell, point, or API write. This issue is fixed in Dashboards 4.2.2 and Grid Pro 3.2.0.","datePublished":"Oct 28, 2026, 5:50:59 PM","dateUpdated":"Nov 2, 2026, 8:27:24 PM","status":"PUBLISHED","baseScore":6.9,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:H/SC:L/SI:L/SA:L","references":"https://github.com/highcharts/highcharts/security/advisories/GHSA-c75x-9x9h-28rm\nhttps://github.com/highcharts/highcharts/commit/02dd9349aeb6f4cc9c98806120d917ed316b4c74\nhttps://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.2\nhttps://github.com/highcharts/highcharts/releases/tag/grid-v3.2.0\n","enisa_id":"EUVD-2026-112310\n","assigner":"GitHub_M","epss":0.36,"dataProcessed":"Nov 4, 2026, 2:00:32 AM","vulnerabilityProduct":[{"id":"3da2fe78-fe7e-3fc2-bc0a-93349815874d","product":{"name":"dashboards","vendor":{"name":"@highcharts"}},"product_version":"1.0.0, \u003c 4.2.3"},{"id":"45352e72-29d3-359f-92ba-825021009e3d","product":{"name":"grid-pro","vendor":{"name":"@highcharts"}},"product_version":"2.0.0, \u003c 3.2.0"},{"id":"cf3d26de-3ac3-316c-8100-861d703d0411","product":{"name":"highcharts","vendor":{"name":"highcharts"}},"product_version":"\u003c 13.1.0"}],"vulnerabilityVendor":[{"id":"54411d47-a32a-3ce9-94d4-f5a1d75370d3","vendor":{"name":"highcharts"}},{"id":"eac57239-2258-3836-99d1-1776b5d3b0a8","vendor":{"name":"@highcharts"}}]}}],"enisaIdAdvisory":[]}