Vulnerability · Published Mar 27, 2026 · Assigned by GitHub_M
CVE-2026-33045Home Assistant has stored XSS in history-graphs
High 7.3
In plain English
A high-severity cross-site scripting in core from home-assistant. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2025.02 and prior to version 2026.01 the "remaining charge time"-sensor for mobile phones (imported/included from Android Auto it appears) is vulnerable cross-site scripting, similar to CVE-2025-62172. Version 2026.01 fixes the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | homeassistant | 2026.01 | GHSA-46j8-vpx8-6p72 |
| PyPI | homeassistant | 2026.01 | PYSEC-2026-2516 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| home-assistant | core | >= 2025.02, < 2026.01 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P