Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

Date Oct 28, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท highcharts
CVE CVE-2026-118246
High-risk advisory CVE-2026-118246

Summary

Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

Why it matters

GitHub has published a reviewed security advisory for highcharts. Prioritize it with other application dependency updates, especially because EPSS places it in the 27% percentile.

Operator check

Check whether highcharts is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.4. EPSS probability: 0.3%; percentile: 27%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.