What’s Vulnerable › Vulnerabilities

CVE-2026-91130: Home Assistant: XSS in Statistics Graph Card

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-22 · updated 2026-09-23
• Weakness: CWE-80

Description

Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.7.0, the Statistics Graph card in src/components/chart/statistics-chart.ts passed entity names through getStatisticLabel and computeStateName and interpolated param.seriesName into ECharts tooltip HTML without escaping. An authenticated user or an integration that supplies a malicious default entity name could cause script-related HTML to execute when a viewer hovered over a data point. Mean, State, Sum, and Change fields in the default Line chart configuration were affected, while Bar charts were not. This issue is fixed in version 2026.7.0.

Affected products

• home-assistant core: before 2026.7.0

References

• https://github.com/home-assistant/core/releases/tag/2026.7.0
• https://github.com/home-assistant/core/security/advisories/GHSA-wx4m-69m9-gx3m
• https://github.com/home-assistant/frontend/commit/b8c201b6d34414d30c622797366570185c219614
• https://github.com/home-assistant/frontend/pull/52235
• https://github.com/home-assistant/core/security/advisories/GHSA-wx4m-69m9-gx3m

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