--- title: "CVE-2026-107588: Vaadin Charts - Stored XSS & Prototype Pollution" description: "Vaadin Charts 22 to 25 contains multiple vulnerabilities including prototype pollution and cross-site scripting caused by unsafe handling of chart configuration options, letting attackers execute scripts or modify Object.prototype when attacker-controlled data reaches chart configuration." url: https://panop.io/threat-heartbeat/CVE-2026-107588/ --- # CVE-2026-107588 Vaadin Charts - Stored XSS & Prototype Pollution Vaadin Charts 22 to 25 contains multiple vulnerabilities including prototype pollution and cross-site scripting caused by unsafe handling of chart configuration options, letting attackers execute scripts or modify Object.prototype when attacker-controlled data reaches chart configuration. CVSS base score 8.4 /10 High CISA KEV Not listed Public exploit None known Authentication Required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107588) ## Details Type Stored XSS Impact Client Script Exec, Data Tampering CVSS vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Published 21 October 2026 Updated 22 October 2026 Weakness [CWE-79](https://cwe.mitre.org/data/definitions/79.html) ## Vendor fix Upgrade to Vaadin 23.6.16, 24.4.24, 24.7.16, 24.9.23, 24.10.11, 25.2.10, 25.3.1 or newer. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-107588](https://nvd.nist.gov/vuln/detail/CVE-2026-107588) - [https://github.com/highcharts/highcharts/security/advisories/GHSA-mw4f-gj5x-6xr4](https://github.com/highcharts/highcharts/security/advisories/GHSA-mw4f-gj5x-6xr4) - [https://github.com/highcharts/highcharts/security/advisories/GHSA-rmqc-xvr3-v46c](https://github.com/highcharts/highcharts/security/advisories/GHSA-rmqc-xvr3-v46c) - [https://github.com/vaadin/flow-components/pull/10292](https://github.com/vaadin/flow-components/pull/10292) - [https://github.com/vaadin/web-components/pull/12897](https://github.com/vaadin/web-components/pull/12897) - [https://github.com/vaadin/web-components/pull/12900](https://github.com/vaadin/web-components/pull/12900) - [https://github.com/vaadin/web-components/pull/12918](https://github.com/vaadin/web-components/pull/12918) - [https://github.com/vaadin/flow-components/pull/10291](https://github.com/vaadin/flow-components/pull/10291) - [https://github.com/vaadin/flow-components/pull/10293](https://github.com/vaadin/flow-components/pull/10293) - [https://github.com/vaadin/flow-components/pull/10299](https://github.com/vaadin/flow-components/pull/10299) - [https://github.com/vaadin/web-components/pull/12898](https://github.com/vaadin/web-components/pull/12898) - [https://github.com/vaadin/web-components/pull/12901](https://github.com/vaadin/web-components/pull/12901) - [https://vaadin.com/security/cve-2026-107588](https://vaadin.com/security/cve-2026-107588) - [https://github.com/highcharts/highcharts/security/advisories/GHSA-5793-x2q3-c3q7](https://github.com/highcharts/highcharts/security/advisories/GHSA-5793-x2q3-c3q7) - [https://github.com/highcharts/highcharts/security/advisories/GHSA-65hg-cf3f-5m39](https://github.com/highcharts/highcharts/security/advisories/GHSA-65hg-cf3f-5m39) - [https://github.com/vaadin/web-components/pull/12886](https://github.com/vaadin/web-components/pull/12886) - [https://github.com/vaadin/web-components/pull/12887](https://github.com/vaadin/web-components/pull/12887) - [https://github.com/vaadin/web-components/pull/12899](https://github.com/vaadin/web-components/pull/12899) - [https://github.com/vaadin/flow-components/pull/10283](https://github.com/vaadin/flow-components/pull/10283) - [https://github.com/vaadin/flow-components/pull/10284](https://github.com/vaadin/flow-components/pull/10284) - [https://github.com/vaadin/flow-components/pull/10285](https://github.com/vaadin/flow-components/pull/10285) - [https://github.com/vaadin/flow-components/pull/10290](https://github.com/vaadin/flow-components/pull/10290) - [https://github.com/vaadin/flow-components/pull/10300](https://github.com/vaadin/flow-components/pull/10300) - [https://github.com/vaadin/web-components/pull/12919](https://github.com/vaadin/web-components/pull/12919) - [https://github.com/highcharts/highcharts/security/advisories/GHSA-35rr-xwfh-x789](https://github.com/highcharts/highcharts/security/advisories/GHSA-35rr-xwfh-x789) - [https://github.com/highcharts/highcharts/security/advisories/GHSA-gfvx-2c2g-38wq](https://github.com/highcharts/highcharts/security/advisories/GHSA-gfvx-2c2g-38wq) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. 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